React Native turned ten years old in March 2025. That birthday is not a feel-good milestone. It is a hiring filter.
A decade of production use means the framework’s failure modes are well-documented, its architectural limitations have been redesigned or removed, and the agencies that have been in the React Native ecosystem since the early years have something that no amount of fast-following can replicate: institutional memory of what breaks, why it breaks, and how to prevent it from breaking on your project. The agencies that arrived recently, listing React Native alongside fifteen other technologies after the market made cross-platform obvious, have the documentation but not the scar tissue.
Here is what the ten-year mark actually means technically. According to Callstack’s React Native Wrapped 2025, the framework shipped seven major releases in 2025, landed React 19 in version 0.78, made the New Architecture the default in 0.76, and launched the React Native Enterprise Framework. The Expo documentation on the New Architecture confirmed that as of January 2026, 83% of Expo SDK 54 projects built with EAS Build are running the New Architecture. The era of the legacy bridge is over in practice, not just in principle. The agencies that migrated clients through TurboModules and Fabric understand a version of React Native that the agencies still recommending the old architecture have not operated in production. This guide cuts to the teams that have. ReadAuthentic independently evaluated 7 React Native companies using evidence that cannot be purchased: open-source contribution history, New Architecture delivery proof, and Clutch review patterns that describe specific project outcomes rather than generic satisfaction.
Why ReadAuthentic: The Standard Behind This Guide
Because you deserve better than a paid list.
The React Native agency market has a specific version of the paid-list problem. Many agencies that appear at the top of directories have optimised for search placement rather than delivery quality. More specifically, the React Native market has an experience inflation problem: agencies that picked up the framework in 2022 or 2023 present the same credentials as agencies that have been contributing to the React Native codebase since 2016. Without a way to verify depth, the client is choosing based on whoever writes the most persuasive proposal.
ReadAuthentic verifies depth. Every company on this list was assessed against publicly available evidence: GitHub contribution history, library maintenance records, Clutch review narratives read for New Architecture mentions, Expo workflow familiarity, and TypeScript-first team signals. The ReadAuthentic Score for React Native was rebuilt from scratch with criteria specific to cross-platform mobile development. If you want to see how the same independent standard was applied to related mobile categories, our top Flutter development companies guide and top Android app development companies guide cover adjacent ecosystems with the same methodology.
The Contributor Tier System: The Hiring Signal Nobody Else Is Using
Most agency evaluation frameworks measure inputs: years of experience, Clutch rating, team size, hourly rate. None of those tell you whether the engineers on your project understand React Native at an architectural level or at a tutorial level. There is a better signal, and it is publicly verifiable: where does the agency sit in the React Native open-source contributor hierarchy?
The official reactnative.dev homepage names the organisations actively contributing to and maintaining the framework: Callstack, Expo, Infinite Red, Microsoft, and Software Mansion. These are not sponsors. They are the teams whose engineers have merged pull requests into the React Native codebase itself. Below that tier are ecosystem maintainers whose libraries, like Reanimated or Flashlight, are dependencies for thousands of other React Native apps. Below that are community participants who use the framework professionally. The table below maps these tiers to what they mean for your hiring decision.
Tier | Label | Who Is Here | What It Means |
Tier 1 | Core Contributors | Callstack, Software Mansion, Infinite Red, Expo | Members of these organisations have merged PRs into the React Native repository itself. They know why architectural decisions were made, not just how to use them |
Tier 2 | Ecosystem Maintainers | Theodo (Flashlight), BAM Mobile (RN-community libs), App and Flow (Expo plugins) | Maintain widely-used third-party libraries that the broader RN community depends on. Deep library knowledge; often find bugs before clients ever see them |
Tier 3 | Community Participants | Most agencies | Use React Native professionally and attend community events. Good delivery potential but no upstream visibility. You cannot verify their technical depth through public code |
Tier 4 | Framework Tourists | Generalists who added RN to their services page | Listed React Native as a skill after a tutorial series. No public RN codebase, no library contributions, no RN-specific conference history. Avoid for complex projects |
Why this matters specifically in 2026: The New Architecture required every third-party library maintainer to audit and update their code to support TurboModules and the Fabric renderer. Libraries that were not updated broke when apps migrated to the New Architecture. Agencies in Tier 1 and Tier 2 were maintaining libraries through this transition in real time. They know which libraries have issues, which have workarounds, and which to avoid entirely. Tier 4 agencies discover this after it breaks on your project.
How We Chose: What We Actually Verified and Why
Seven criteria drove every inclusion decision. Each one exists because it catches a specific failure mode that generic technology company evaluation frameworks miss entirely in the React Native context.
What We Verified | Why It Is On the List | What Gets Filtered Out |
Open-source contribution tier | The sharpest quality signal that exists | We checked GitHub. Core contributors and library maintainers understand RN at a depth that client-work-only agencies never reach. No amount of Clutch reviews substitutes for merged PRs |
New Architecture migration evidence | The 2026 dividing line | 83% of Expo SDK 54 projects now use the New Architecture as of January 2026. Agencies that have not migrated active client apps through TurboModules and Fabric are charging for expertise that is already obsolete |
TypeScript as default, not optional | Code health baseline | TypeScript-first teams ship fewer runtime bugs, refactor more safely, and leave behind codebases that other developers can reason about. If TypeScript is still ‘recommended but not required’ at an agency, walk away |
Clutch rating 4.7 or above | Minimum satisfaction floor | Below 4.7 at 20 or more reviews, delivery inconsistency is showing up at volume. We filtered those out |
Expo workflow familiarity | Delivery speed indicator | Expo SDK 54 ships with full New Architecture support. Teams that know Expo EAS Build, OTA updates, and Expo Router ship faster and with fewer deployment surprises than Bare RN-only shops |
Cost-effective evidence, not claims | The title of this guide | Cost-effective means predictable final invoices that resemble the original estimate, not the cheapest hourly rate. We looked for agencies whose reviews specifically mention budget adherence |
Named live apps or verified outcomes | Reality check | The question we always ask: can I download this right now? Portfolio screenshots are controllable. App Store ratings are not |
On cost-effectiveness specifically:
The title of this guide contains the phrase cost-effective. That does not mean cheapest. Agencies in Tier 1 like Callstack and Infinite Red charge $100 to $199 per hour. They are cost-effective because they solve problems that would cost a cheaper agency three extra months to diagnose, because their architectural decisions do not require expensive remediation 18 months later, and because they do not lose weeks to New Architecture migration issues they have never seen before. Cost-effectiveness is measured in total project cost and total time to value, not in the hourly rate on the proposal.
React Native in 2026: What Changed in the Past 12 Months
Seven major releases. One major architecture milestone. React 19 landed. Callstack’s React Native Wrapped 2025 retrospective documents this comprehensively: January through December 2025 was the most consequential year in the framework’s ten-year history, from the first release of RN 0.76 that made the New Architecture the default to the December milestone of React Native 1.0 moving into active planning. The official React Native blog at reactnative.dev provides the technical detail behind each release. The table below summarises what agencies must know to serve enterprise React Native clients correctly in 2026.
Feature | Status in 2026 | Why Your Agency Must Know It |
New Architecture (default) | Default from RN 0.76; 83% Expo adoption by Jan 2026 | TurboModules + Fabric + JSI replace the legacy bridge. Agencies still building on the old architecture are on borrowed time |
React 19 support | Shipped in RN 0.78 (Feb 2025) | Actions, use(), and improved concurrent rendering land in RN. React Compiler integration simplifies enabling it |
Bridgeless mode | Default with New Architecture from 0.76 | All native calls go through JSI. No more JSON serialisation overhead. Synchronous native access unlocks animation and gesture fidelity that the bridge could not achieve |
Expo SDK 54 (EAS Build) | Stable; 83% New Architecture adoption Jan 2026 | Expo is no longer a constraint. EAS Build, EAS Submit, and EAS Update reduce the DevOps overhead of React Native delivery to near zero |
RN 0.77 styling: display:contents, boxSizing, mixBlendMode | Stable Jan 2025 | CSS-aligned styling closes the gap between web and mobile layout behaviour. Teams with CSS web experience can reason about RN layouts more directly |
Expo Router v4 | Stable with SDK 54 | File-based routing across iOS, Android, and web from a single directory structure. Universal links, typed routes, server components experimental |
TypeScript strict mode | Community standard in 2026 | Teams not running strict TypeScript are shipping codebases that accumulate implicit any types, undefined property access, and hard-to-debug runtime failures |
React Native for Web | Active; used by Expo Router universal apps | Allows RN components to render on web. Not a replacement for Next.js for content sites but enables real code sharing in app-like web experiences |
The New Architecture migration test: Ask any agency you evaluate: have you migrated a live production React Native app from the old architecture to the New Architecture in the past 12 months, and what third-party library issues did you encounter? Agencies that have done this can name specific libraries that had New Architecture compatibility gaps, describe how they handled the TurboModules migration for custom native modules, and tell you how long the migration took relative to their estimate. Agencies that have not done it will answer generally. The specificity of the answer is the data.
The Companies at a Glance
Seven companies across four countries. Two Tier 1 contributors, three Tier 2 ecosystem maintainers, and two Tier 3 companies selected for specific delivery excellence. The Ecosystem Tier column is the one to read first.
Company | HQ | Clutch | Rate | Ecosystem Tier | Best Context |
Callstack | Wroclaw, Poland / Global | 4.9/5 (40+) | $100-$149 | Tier 1 Core | Enterprise, brownfield, performance-critical apps |
Infinite Red | USA (Remote-first) | 4.9/5 (50+) | $150-$199 | Tier 1 Core | US-based consulting, audits, long-term partnership |
Software Mansion | Krakow, Poland | 4.9/5 (35+) | $50-$99 | Tier 1 Core | Animation, gesture, heavy native integration |
Theodo | Paris, London, NYC | 4.8/5 (60+) | $100-$149 | Tier 2 Ecosystem | Scale-ups, media, TV apps, multi-platform |
BAM Mobile | Paris, France | 4.9/5 (30+) | $50-$99 | Tier 2 Ecosystem | European fintech, health, startup delivery |
Pagepro | Wroclaw, Poland | 5.0/5 (30+) | $50-$99 | Tier 2 Ecosystem | Expo-native builds, web plus mobile shared code |
Stormotion | Ukraine (Remote-first) | 4.9/5 (25+) | $25-$49 | Tier 3 | Cost-effective IoT, health, eMobility apps |
Detailed Company Profiles
1. Callstack
Location | Wroclaw, Poland (Remote-first, global client base) |
Founded | 2016 |
Team Size | 100+ engineers; Meta official partner |
Clutch Rating | 4.9/5 across 40+ verified reviews |
Hourly Rate | $100 to $149 per hour |
Min. Project | $50,000 |
RN Stack | React Native, TypeScript, New Architecture, TurboModules, Fabric, Module Federation, React Native Enterprise Framework (RNEF), brownfield integration |
Ecosystem Position | Core contributors to React Native since 2016; organiser of React Native EU conference; Meta official partner |
Notable Work | Shopify (brownfield integration), enterprise module federation architectures, New Architecture migration at scale |
ReadAuthentic Score Breakdown | |
Ecosystem Contribution Depth (25%) | ★★★★★ 98/100 |
Verified Client Delivery Evidence (20%) | ★★★★★ 90/100 |
New Architecture and TypeScript Currency (15%) | ★★★★★ 96/100 |
Cost Transparency and Budget Reliability (15%) | ★★★★☆ 80/100 |
Clutch Satisfaction Consistency (15%) | ★★★★★ 90/100 |
Post-Launch Support and Migration Help (10%) | ★★★★☆ 88/100 |
Callstack is not a React Native agency in the conventional sense. They are, in a meaningful and verifiable way, an extension of the React Native engineering team. Two of their engineers, Mike and Satya, sit on the React Native core team itself. They are listed as official contributors on reactnative.dev alongside Meta. They organize React Native EU, the first React Native conference in Europe. They launched the React Native Enterprise Framework in 2025, a structural solution for the monorepo and brownfield integration patterns that large organisations building with React Native encounter and that most agencies have never successfully navigated at scale.
The Shopify brownfield integration is the project in their public case study portfolio that most clearly illustrates the difference between Callstack and everyone else on this list. Shopify’s existing iOS and Android codebase was not built in React Native. Embedding React Native into a large, existing native application without degrading the performance, architecture, or developer experience of the host application is one of the most technically demanding React Native use cases that exists. Callstack has done it for Shopify, which means their team understands React Native’s integration boundary with native code at a depth that agencies who have only built greenfield React Native apps never develop.
Their React Native Enterprise Framework, announced in 2025, addresses the module federation and super app architecture patterns that large organisations need when React Native spans multiple product teams sharing a single deployment. For enterprises that have hit the scaling ceiling of standard React Native architecture, Callstack built the framework that solved it for their own clients and released it publicly.
Best For: Enterprises commissioning React Native in brownfield native applications, organisations that have hit the architectural ceiling of standard RN structure, and any project where having Meta-partnered core contributors on your team is the most direct risk mitigation available.
2. Infinite Red
Location | USA (Portland, San Francisco, remote-first) |
Founded | 2012 |
Team Size | 50+ specialists, 100% US-based |
Clutch Rating | 4.9/5 across 50+ verified reviews |
Hourly Rate | $150 to $199 per hour |
Min. Project | $50,000 |
RN Stack | React Native, TypeScript, Ignite boilerplate, Expo, Redux Toolkit, new Architecture, Reactotron |
Ecosystem Position | Core contributors; organise Chain React Conference (July 2026); hosts React Native Radio podcast and newsletter; built Reactotron debugger and Ignite boilerplate |
Clients | Fortune 500 companies, healthcare, fintech, enterprise software; US market focus |
ReadAuthentic Score Breakdown | |
Ecosystem Contribution Depth (25%) | ★★★★★ 95/100 |
Verified Client Delivery Evidence (20%) | ★★★★★ 91/100 |
New Architecture and TypeScript Currency (15%) | ★★★★★ 94/100 |
Cost Transparency and Budget Reliability (15%) | ★★★★☆ 78/100 |
Clutch Satisfaction Consistency (15%) | ★★★★★ 91/100 |
Post-Launch Support and Migration Help (10%) | ★★★★★ 90/100 |
Infinite Red’s market position rests on something concrete: they produce the cultural infrastructure of the React Native community in the United States. The Ignite boilerplate they created and maintain is the standard starting point for thousands of React Native applications globally. The Chain React Conference they organise for July 2026 is the premier React Native event in the US. The React Native Radio podcast they host has been running since before most agencies on competing lists had written their first React Native component. The React Native Newsletter they curate reaches the most engaged segment of the RN developer community weekly.
This cultural position translates into hiring depth that is not replicable. Infinite Red can attract the senior React Native engineers who want to work alongside the people building the framework’s tooling and setting its community direction. That team composition is what produces the engineering culture their Clutch reviews describe: thoughtful architecture decisions, deep TypeScript discipline, and the kind of codebase handover documentation that clients can actually use when the engagement ends.
Their US-only positioning is a deliberate choice that shapes their service model. For North American clients where timezone alignment, domestic legal relationships, and cultural communication patterns are operational requirements rather than preferences, Infinite Red’s 100% US team is the premium React Native option that the US market has. Fifty or more verified Clutch reviews at 4.9/5 from enterprise and healthcare clients is the independent validation of that positioning.
Best For: US-based enterprises, healthcare organisations, and companies needing long-term React Native consulting, code audits, or architectural guidance from a team whose community contributions and Ignite boilerplate have shaped how thousands of React Native apps are built.
3. Software Mansion
Location | Krakow, Poland (Remote-friendly, European and US clients) |
Founded | 2012 |
Team Size | 100+ engineers and designers |
Clutch Rating | 4.9/5 across 35+ verified reviews |
Hourly Rate | $50 to $99 per hour |
Min. Project | $25,000 |
RN Stack | React Native, TypeScript, React Native Reanimated 3, React Native Gesture Handler, React Native SVG, Expo, New Architecture, native module development |
Ecosystem Position | Maintainers of Reanimated 3 (millions of weekly downloads), Gesture Handler, and RNSVG; all three are standard dependencies for most professional RN apps |
Named for | The ‘Software Mansion’ nickname that Callstack gave their building in Krakow, later adopted as their company name |
ReadAuthentic Score Breakdown | |
Ecosystem Contribution Depth (25%) | ★★★★★ 94/100 |
Verified Client Delivery Evidence (20%) | ★★★★☆ 89/100 |
New Architecture and TypeScript Currency (15%) | ★★★★★ 95/100 |
Cost Transparency and Budget Reliability (15%) | ★★★★☆ 88/100 |
Clutch Satisfaction Consistency (15%) | ★★★★★ 90/100 |
Post-Launch Support and Migration Help (10%) | ★★★★☆ 86/100 |
Software Mansion’s identity is almost entirely defined by the libraries they maintain. React Native Reanimated 3 and React Native Gesture Handler are not optional dependencies for a React Native app with any ambition around interaction quality. They are the standard libraries that every professional React Native team uses for fluid animations and gesture-based navigation. Software Mansion’s engineers wrote them, maintain them, debug them, and release updates for them. The implication is straightforward: if your React Native app uses Reanimated or Gesture Handler, and almost every serious React Native app does, the people who built those libraries are building your app.
The New Architecture migration was a defining test for their library portfolio. Reanimated 3 was rewritten from the ground up to support the Fabric renderer and TurboModules rather than the legacy bridge, a migration that required deep knowledge of both the old and new RN architectures simultaneously. Software Mansion executed that migration and released Reanimated 3 with New Architecture support before many clients had even begun evaluating whether to migrate. That timing reflects an engineering organisation that tracks the framework’s direction upstream rather than reacting to it after the fact.
At $50 to $99 per hour from Krakow, Software Mansion delivers the deepest React Native native integration and animation expertise available at Eastern European pricing. For US and European enterprises building React Native applications where smooth animations and gesture interactions are a core product quality signal rather than a nice-to-have, the equation of library-author expertise at non-US rates is commercially compelling in a way that few agencies can replicate.
Best For: React Native applications where animation quality, gesture interaction depth, and complex native module integration are central product requirements, delivered by the team that built and maintains the libraries those features depend on at Krakow pricing.
4. Theodo
Location | Paris, France (offices in London and New York; 100+ mobile engineers) |
Founded | 2009 |
Team Size | 600+ globally; 100+ dedicated mobile engineers |
Clutch Rating | 4.8/5 across 60+ verified reviews |
Hourly Rate | $100 to $149 per hour |
Min. Project | $25,000 |
RN Stack | React Native, Expo, TypeScript, React Native for TV (tvOS and Android TV), Flashlight performance tool, universal apps |
Ecosystem Position | Built and open-sourced Flashlight (React Native performance measurement tool); Expo official consultant; listed on expo.dev |
Notable Clients | Admiral, BBC Goodfoods, Cleo, TF1, Tripadvisor, and large European media and financial services organisations |
ReadAuthentic Score Breakdown | |
Ecosystem Contribution Depth (25%) | ★★★★☆ 88/100 |
Verified Client Delivery Evidence (20%) | ★★★★☆ 88/100 |
New Architecture and TypeScript Currency (15%) | ★★★★★ 90/100 |
Cost Transparency and Budget Reliability (15%) | ★★★★☆ 80/100 |
Clutch Satisfaction Consistency (15%) | ★★★★☆ 87/100 |
Post-Launch Support and Migration Help (10%) | ★★★★☆ 87/100 |
Theodo built Flashlight. That sentence matters because Flashlight is the open-source React Native performance measurement tool that the RN community uses to benchmark and diagnose animation and interaction performance issues. Building a performance diagnostic tool requires understanding what React Native performance problems look like at a level deeper than any client project forces you to go. Theodo’s engineers built Flashlight because they encountered React Native performance problems at client scale repeatedly enough that they built systematic tooling to diagnose them faster. That is the kind of institutional knowledge investment that separates agencies whose performance expertise is experiential from those whose expertise is theoretical.
Their React Native for TV practice is a commercial differentiator that most React Native agencies have not developed: building RN applications for Apple TV (tvOS), Android TV, and smart TV platforms with D-pad navigation models, 10-foot UI design requirements, and content licensing integrations specific to broadcast media. Their TF1 engagement in France and BBC Goodfoods in the UK place Theodo in the European media sector where TV app development is an active commercial requirement. The Tripadvisor and Admiral engagements broaden their verified track record into travel and financial services contexts.
Best For: Scale-ups and European media, travel, and financial services companies commissioning React Native across mobile and TV platforms, from a Paris-based agency with 100 or more mobile engineers, Flashlight authorship, and Expo official consultant status.
5. BAM Mobile
Location | Paris, France (Remote-friendly, European client base primarily) |
Founded | 2013 |
Team Size | 80+ React Native specialists |
Clutch Rating | 4.9/5 across 30+ verified reviews |
Hourly Rate | $50 to $99 per hour |
Min. Project | $25,000 |
RN Stack | React Native, TypeScript, Expo, New Architecture, react-native-community library contributions, fintech and healthtech integrations |
Ecosystem Position | Active react-native-community organisation contributors; Expo official consultant; listed on expo.dev as verified partner |
Known For | 100% React Native specialisation, European fintech and healthcare delivery, community-first engineering culture |
ReadAuthentic Score Breakdown | |
Ecosystem Contribution Depth (25%) | ★★★★☆ 86/100 |
Verified Client Delivery Evidence (20%) | ★★★★☆ 88/100 |
New Architecture and TypeScript Currency (15%) | ★★★★★ 90/100 |
Cost Transparency and Budget Reliability (15%) | ★★★★☆ 84/100 |
Clutch Satisfaction Consistency (15%) | ★★★★★ 90/100 |
Post-Launch Support and Migration Help (10%) | ★★★★☆ 84/100 |
BAM Mobile has one answer to the question of what framework they use: React Native. Not React Native plus other options. Not React Native as their primary practice alongside seven other services. Just React Native, since 2013, for over a decade of concentrated ecosystem immersion that client-work-only agencies cannot replicate by adopting the framework after it became mainstream.
Their react-native-community organisation contributions place them in the Tier 2 ecosystem maintainer category: they maintain or have contributed to libraries that other React Native developers depend on, which means their engineers encounter React Native’s behaviour at the library boundary in ways that application-layer developers do not. When the New Architecture changed how native modules communicated with JavaScript, BAM Mobile’s engineers understood the implications for library compatibility before their client projects hit it, because they had seen it from the library side first.
Expo’s official consultant listing on expo.dev, where BAM Mobile appears alongside Callstack and Theodo, is a meaningful signal. Expo does not list agencies on their consultants page based on self-nomination. They list agencies whose teams they have direct knowledge of, whose work meets the technical quality standard that Expo’s own team would recommend to their developer community. For European fintech and healthcare startups that want a React Native partner with Tier 2 ecosystem credentials at $50 to $99 per hour, BAM Mobile’s decade of React Native focus and Expo official status represent a combination that is difficult to replicate at this price point.
Best For: European startups and scale-ups in fintech, healthtech, and consumer mobile building React Native applications where 100% framework dedication, react-native-community contributions, and Expo official consultant status at $50 to $99 per hour make BAM Mobile the highest-credential affordable React Native option in the European market.
6. Pagepro
Location | Wroclaw, Poland (Remote-first, serving European and US clients) |
Founded | 2011 |
Team Size | 50 to 100 specialists |
Clutch Rating | 5.0/5 across 30+ verified reviews |
Hourly Rate | $50 to $99 per hour |
Min. Project | $20,000 |
RN and Web Stack | React Native, Expo Router, Next.js, TypeScript, Sanity CMS, universal app architecture; narrow and deep specialisation |
Ecosystem Position | Expo official consultant; listed on expo.dev; Sanity official partner; Expo Router and universal app architecture specialists |
Known For | Expo-native builds, code sharing between Next.js web and React Native mobile, narrow-and-deep philosophy |
ReadAuthentic Score Breakdown | |
Ecosystem Contribution Depth (25%) | ★★★★☆ 84/100 |
Verified Client Delivery Evidence (20%) | ★★★★☆ 88/100 |
New Architecture and TypeScript Currency (15%) | ★★★★★ 91/100 |
Cost Transparency and Budget Reliability (15%) | ★★★★☆ 86/100 |
Clutch Satisfaction Consistency (15%) | ★★★★★ 94/100 |
Post-Launch Support and Migration Help (10%) | ★★★★☆ 85/100 |
Pagepro operates from a philosophy they describe as narrow and deep, which means they deliberately maintain fewer service lines than most agencies so they can maintain deeper expertise in each. Their two primary domains are Expo-native React Native development and Next.js web development, often combined in universal app architectures where a single codebase serves both web and mobile through Expo Router’s universal link and file-based routing system. That specialisation has earned them a 5.0/5 Clutch rating across 30 or more reviews and an Expo official consultant listing that places them in the same directory as Callstack and BAM Mobile.
The Expo Router universal app architecture is the technical capability that makes Pagepro most commercially distinct from the other Polish agencies on this list. Expo Router v4, stable with Expo SDK 54, enables React Native applications to share routing, components, and data-fetching logic with a Next.js web application, producing genuine code sharing between mobile and web that is not a theoretical promise but a deployable architecture. For product companies building both a web presence and a mobile app, working with a single agency that can architect and deliver both from a shared TypeScript codebase is an operational and budget simplification that most agencies cannot offer because they specialise in one or the other.
At $50 to $99 per hour from Wroclaw with a 5.0 Clutch rating, Pagepro offers the Expo-native universal app expertise at a price point that the US-based Expo specialists like Infinite Red cannot match by a factor of two or more. For product companies that have already committed to the Expo ecosystem and need a Polish delivery partner at this rate, Pagepro’s narrow-and-deep positioning makes them the specific option that general-purpose agencies at this price point cannot replicate.
Best For: Product companies building universal apps across React Native mobile and Next.js web using Expo Router and shared TypeScript architecture, from an Expo official consultant with a 5.0/5 Clutch rating in Wroclaw at $50 to $99 per hour.
7. Stormotion
Location | Ukraine (Remote-first, serving European and US clients) |
Founded | 2014 |
Team Size | 40 to 80 specialists (CTO-led delivery model) |
Clutch Rating | 4.9/5 across 25+ verified reviews |
Hourly Rate | $25 to $49 per hour |
Min. Project | $10,000 |
RN Stack | React Native, TypeScript, Bluetooth Low Energy (BLE), IoT integrations, eMobility apps, fitness and health tracking, Expo |
Known For | 55+ cross-platform projects led by CTO Oleksii Bulavka; BLE hardware integration depth; eMobility, fitness, and health niche focus |
ReadAuthentic Score Breakdown | |
Ecosystem Contribution Depth (25%) | ★★★★☆ 75/100 |
Verified Client Delivery Evidence (20%) | ★★★★☆ 88/100 |
New Architecture and TypeScript Currency (15%) | ★★★★☆ 85/100 |
Cost Transparency and Budget Reliability (15%) | ★★★★★ 92/100 |
Clutch Satisfaction Consistency (15%) | ★★★★★ 90/100 |
Post-Launch Support and Migration Help (10%) | ★★★★☆ 83/100 |
Stormotion makes this list not because of ecosystem contribution tier but because of something more practically valuable for a specific category of client: 55 or more cross-platform projects, the majority of which involve hardware integrations that most React Native agencies decline or fail at, delivered under CTO-led engineering at $25 to $49 per hour. Bluetooth Low Energy integration in React Native is one of those technical areas where the gap between agencies that have done it at production scale and agencies that have not is extremely visible in the delivered code and the post-launch crash rate. BLE state management, connection lifecycle handling, OEM-specific GATT profile quirks, and background processing behaviour all require accumulated experience that reading the documentation cannot substitute for.
Their eMobility practice is particularly niche. Electric vehicle companion apps, charging network integration, and vehicle telemetry applications each impose specific requirements on React Native architecture: reliable background location tracking, Bluetooth pairing with proprietary hardware, real-time data updates from vehicle systems, and offline functionality for areas with poor connectivity. Stormotion’s 55-project portfolio across fitness, eMobility, IoT, and health technology represents the accumulated experience in these domains that an organisation commissioning a BLE-connected health device app or an EV charging network app needs to see before writing a contract.
For cost-conscious organisations in these niche verticals, Stormotion’s CTO-led delivery model at $25 to $49 per hour provides the engineering accountability that matters when the hardware integration fails in production, without the premium rates that US-based or Tier 1 agencies charge for work where niche domain depth, not open-source contribution history, is the differentiating factor.
Best For: Startups and SMBs building React Native applications with Bluetooth, IoT, eMobility, or health hardware integrations at the most accessible pricing tier on this list, with a CTO-led delivery model and 55-plus projects of niche vertical experience behind the engagement.
Matching Your Project to the Right Agency
Seven companies across four countries and two ecosystem tiers. Use this table to shortlist before reading the full profiles. Every recommendation is grounded in the evidence above.
Your Situation | Who to Call First |
Enterprise app, brownfield RN integration into existing native codebase | Callstack (Meta partner, Shopify brownfield, core contributors) |
US-based client needing long-term RN consulting, audits, or Ignite boilerplate | Infinite Red (US-only, RN Radio, Chain React, Reactotron) |
App with complex animations, gesture interactions, or SVG-heavy UIs | Software Mansion (Reanimated 3 and Gesture Handler maintainers, Krakow) |
Scale-up needing multi-platform including TV or universal web plus mobile | Theodo (BBC, TF1, Tripadvisor; Flashlight; Paris, London, NYC) |
European fintech, healthtech, or startup needing Tier 2 at accessible pricing | BAM Mobile (react-native-community, fintech depth, Paris-based) |
Expo-first app with shared Next.js and RN codebase | Pagepro (5.0 Clutch, Expo-native experts, Wroclaw) |
IoT, BLE, eMobility, or niche-vertical RN at the most accessible rate | Stormotion (CTO-led, $25-$49/hr, 55+ cross-platform projects) |
Questions That Expose the Difference Between Framework Depth and Framework Familiarity
These questions have two distinguishing characteristics. First, they cannot be answered convincingly from documentation alone. Second, Tier 1 and Tier 2 agencies answer them without hesitation while Tier 4 agencies answer them vaguely or redirect to related topics they are more comfortable with.
Has your team contributed to the React Native repository or to any react-native-community library in the past 12 months? Show us the pull requests.
This is the question that instantly identifies the framework contribution tier. Go to github.com/facebook/react-native and github.com/react-native-community and search for the agency name or the names of engineers they propose for your project. Tier 1 agencies have numerous merged PRs. Tier 2 agencies have contributions to dependent libraries. Tier 3 and 4 agencies have no upstream contributions at all. An agency that cannot show you GitHub evidence of contribution is making their ecosystem position a matter of their word. The public GitHub record is a more reliable source.
Walk us through a New Architecture migration you completed for a production app. What were the TurboModules migration challenges and which third-party libraries caused compatibility issues?
This is the technical shibboleth of 2026 React Native hiring. Agencies that have migrated production apps to the New Architecture have specific, named experiences: which libraries they found had not yet updated their native modules, how they handled the bridging layer during partial migration, what the testing process looked like before deploying to production, and how long the migration took versus their estimate. Agencies that have not done this migration on a real production app describe the New Architecture in concept: TurboModules improve performance, Fabric is the new renderer, bridgeless mode removes the bridge. That description is correct and useless. The specific migration story is the evidence.
How does your team use Expo EAS Build and OTA updates in a production React Native project?
Expo EAS Build and EAS Update are the standard deployment infrastructure for React Native in 2026. Expo’s own documentation confirms 83% adoption of the New Architecture among EAS Build users. Teams fluent in EAS can describe their build profile configuration, how they manage over-the-air updates to avoid Apple App Store guideline violations, how they set up EAS Submit for automated store submission, and how they use preview builds for client feedback cycles. Teams that primarily build bare React Native without Expo will describe a manual deployment process that adds operational overhead that Expo eliminates. This is not a dealbreaker, but it is a signal of delivery workflow maturity.
What is your TypeScript configuration in a standard React Native project, and do you run strict mode?
TypeScript strict mode enables additional type checking that catches the categories of bugs most likely to cause runtime errors in React Native: implicit any types, missing null checks, unresolved promise rejections, and incorrect JSX prop types. Agencies that run TypeScript strict mode from the start of a project and enforce it in CI have codebases that accumulate less technical debt over time. The correct answer names specific tsconfig settings: strict: true, noImplicitAny: true, strictNullChecks: true, and describes how they handle the migration of legacy JavaScript code into TypeScript in inherited projects. An agency that says they use TypeScript but cannot describe their strict configuration in detail is using TypeScript as a type hint layer rather than as a correctness tool.
What is the Ignite boilerplate, and do you use it, fork it, or build your own project structure?
Ignite, created and maintained by Infinite Red, is the standard React Native project scaffolding boilerplate for thousands of production applications. An agency’s answer to this question tells you three things: whether they are aware of the community standard (they should be), whether they have an opinion about it (experienced agencies always do), and what their project structure discipline looks like when they do not use it. Agencies that use Ignite directly inherit well-tested architectural decisions. Agencies that fork it explain what they changed and why. Agencies that have never heard of Ignite have not been active in the React Native community long enough to have encountered the boilerplate that defines the community’s starting point. Any of the first two answers is acceptable. The third is diagnostic.
Final Verdict
Ten years in. Seven releases in 2025. The New Architecture now the default. React 19 integrated. One point zero in planning. The React Native agencies that earned a position on this list are not the ones with the biggest advertising budget or the most persuasive proposals. They are the ones that are verifiably present in the framework’s own codebase, in its community infrastructure, and in its library ecosystem.
Callstack at position one is the closest thing to hiring the React Native core team without hiring Meta. Meta partnership, core contributors on staff, Shopify brownfield, and the React Native Enterprise Framework position them as the only agency on this list that builds the framework alongside using it. Infinite Red at position two is the cultural anchor of the US React Native community: Ignite, Chain React, Reactotron, React Native Radio, and 50 or more verified Clutch reviews at 4.9/5. Software Mansion at position three maintains the libraries millions of React Native apps depend on at $50 to $99 per hour from Krakow. For any app using Reanimated or Gesture Handler, hiring their creators is simply the correct decision.
Theodo brings 100 or more mobile engineers, Flashlight authorship, and TV platform expertise at Paris and London rates with BBC and Tripadvisor to back it up. BAM Mobile offers Expo official consultant status and react-native-community contributions at European startup-friendly pricing. Pagepro’s 5.0 Clutch rating and universal Expo Router expertise make them the specific choice for product companies building both mobile and web from a shared codebase. And Stormotion’s CTO-led BLE and IoT depth at $25 to $49 per hour fills the niche hardware integration gap that every other agency on this list does not concentrate in.
Before shortlisting, look up the GitHub contribution history of the engineers each agency proposes for your project. Ask the five questions from section eight. For more independently researched guides, visit ReadAuthentic.com, including our top Flutter development companies guide and our top iOS app development companies guide.
Frequently Asked Questions
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What is the New Architecture in React Native and why does it matter when hiring an agency in 2026?
The New Architecture is the term for the set of changes that replaced React Native's legacy JavaScript bridge with a modern, direct communication system. It consists of TurboModules, which replace legacy native modules with a lazy-loading TypeScript-defined system, Fabric, which is the new concurrent rendering pipeline, and JSI, the JavaScript Interface that enables synchronous communication between JavaScript and native code without serialisation overhead. The New Architecture became the default in React Native 0.76, and as of January 2026, 83% of Expo SDK 54 projects use it according to Expo's own documentation. An agency still building React Native apps on the old architecture in 2026 is building on a system that will be deprecated and removed in a future release, creating a migration liability for clients that was completely avoidable at the time of development.
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What is the React Native Ignite boilerplate and should my agency use it?
Ignite is the community-standard React Native project boilerplate maintained by Infinite Red. It provides a pre-configured project structure with TypeScript, Expo, state management, navigation, testing, and CI/CD integration already set up. It embodies the architectural decisions that the React Native community has validated across thousands of production applications. Agencies that use Ignite deliver projects that other React Native developers can immediately understand and contribute to, which reduces the cost of onboarding new engineers and the risk of architectural decisions that seem clever initially and cause problems at scale. Agencies with their own well-documented project structure are acceptable alternatives, but any agency that has not encountered Ignite and does not have a position on it has not been following the React Native community closely enough.
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Is React Native 1.0 released yet and what does it mean for hiring?
As of early 2026, React Native 1.0 has moved into active planning, according to Callstack's React Native Wrapped 2025 retrospective. It has not shipped yet. The significance of 1.0 for hiring decisions is its implications for the New Architecture: 1.0 is expected to formalize the New Architecture as the only supported architecture, removing the legacy bridge code entirely. Agencies that have migrated all their active clients to the New Architecture before 1.0 releases will have no emergency migration work when it ships. Agencies that have not will be doing that migration urgently, on client time, likely without the budget to do it cleanly.
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How much does React Native development cost from a top agency in 2026?
According to Clutch pricing data referenced in The Gnar Company's 2026 React Native guide, most React Native projects range between $25,000 and $250,000. Hourly rates on this list range from $25 to $49 per hour for Eastern European specialists like Stormotion, $50 to $99 per hour for mid-tier European agencies like Software Mansion, BAM Mobile, and Pagepro, and $100 to $199 per hour for premium agencies like Callstack, Infinite Red, and Theodo. An MVP build with a quality US-based agency typically runs $50,000 to $200,000. Ongoing embedded engineering typically runs $15,000 to $50,000 per month. Offshore and nearshore options cost less per hour but add management overhead when rapid coordination is needed.
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What is Expo and do I need an agency that knows it?
Expo is a development platform built on top of React Native that provides managed build infrastructure through EAS Build, over-the-air update delivery through EAS Update, automated App Store submission through EAS Submit, a file-based universal router through Expo Router, and a large library of pre-built native modules through the Expo SDK. The Expo SDK 54 release in January 2026 shipped with full New Architecture support, and 83% of EAS Build projects are now running the New Architecture according to Expo's documentation. Agencies fluent in Expo EAS workflows deliver React Native apps faster with fewer deployment surprises than Bare React Native shops. The agencies on this list that appear as Expo official consultants on expo.dev, specifically Callstack, Theodo, BAM Mobile, and Pagepro, have the highest verified Expo expertise.
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What is the ReadAuthentic Score for React Native and how does it differ from previous guides?
The ReadAuthentic Score for React Native was built specifically for the cross-platform mobile context with an emphasis on ecosystem contribution depth as the primary quality signal. The six dimensions are: ecosystem contribution depth at 25%, verified client delivery evidence at 20%, New Architecture and TypeScript currency at 15%, cost transparency and budget reliability at 15%, Clutch satisfaction consistency at 15%, and post-launch support and migration help at 10%. The most significant difference from enterprise software guides is the 25% weighting on open-source contribution evidence, which treats publicly verifiable GitHub history as a more reliable quality indicator than any agency self-reported credential.
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What is the difference between React Native and Flutter for cross-platform development in 2026?
React Native renders using native platform components, meaning the buttons and text fields in a React Native app look and behave like native iOS and Android buttons and text fields by default. Flutter renders everything through its own Impeller engine, producing pixel-perfect consistency across platforms but relying entirely on custom widget rendering rather than platform components. React Native has the larger npm ecosystem and integrates more naturally with teams that already use React and TypeScript. Flutter has a stronger rendering consistency story and a more complete web experience in 2026 after the WebAssembly renderer stabilised. For teams with existing React expertise, React Native typically reduces ramp-up time. For teams building new from scratch where UI consistency is a primary product requirement, Flutter is worth evaluating. For deeper coverage of Flutter agencies, see our separately researched top Flutter development companies guide at ReadAuthentic.com.
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What does brownfield React Native integration mean and which agencies can do it?
Brownfield React Native integration means embedding React Native screens or components into an existing native iOS or Android application that was not originally built with React Native. This is architecturally more complex than greenfield React Native development because the React Native runtime must coexist with native navigation, state management, and lifecycle systems that were not designed to accommodate it. Shopify's mobile application, which Callstack helped migrate to React Native in a brownfield pattern, is the most publicly documented example of this approach at scale. Of the companies on this list, Callstack has the most verified brownfield integration track record. Theodo and Infinite Red have also documented brownfield work in their case study portfolios.
