React Native MobileNative iOS and Android from one React codebase
React Native lets us share code between your web product and mobile apps — same language, same patterns, native performance. We build with Expo for fast iteration and over-the-air updates.
React Native lets you build truly native iOS and Android apps using React and JavaScript/TypeScript. Unlike hybrid frameworks, React Native renders native platform components — your app feels native because it is native. With Expo's managed workflow, you get fast iteration via hot reloading, over-the-air updates without App Store review, and EAS Build for CI/CD. The New Architecture (JSI, Fabric, Turbo Modules) eliminates the old bridge bottleneck for near-native performance. We build React Native apps with Expo Router for file-based navigation, Reanimated for 60fps animations, and shared TypeScript code with your web product.
Quick start
npx create-expo-app@latest my-app
cd my-app
npx expo startRead the full documentation at reactnative.dev
Expo managed workflow
Fast iteration with Expo Go, EAS Build for CI, and OTA updates without App Store review.
Shared TypeScript code
Business logic, API calls, and state management shared between web and mobile — one source of truth.
React Native Reanimated
Smooth 60fps animations running on the UI thread — gesture-driven interfaces with Reanimated 3.
New Architecture
JSI and Fabric for direct JS-to-native communication — faster bridge, no serialisation overhead.
Expo Router
File-based routing for React Native — same mental model as Next.js, works for web and native.
EAS distribution
TestFlight and Play Store internal testing via EAS Submit — automated CI/CD for both platforms.
Why it's hard
Native module compatibility
Not all native modules support the New Architecture yet. Evaluating library compatibility, managing native dependencies, and occasionally writing custom native modules requires platform expertise.
Platform-specific behavior
Despite shared code, iOS and Android differ in navigation patterns, permissions, keyboard handling, and gesture systems. Building truly polished apps on both platforms requires platform-specific knowledge.
App Store deployment pipeline
Managing code signing, provisioning profiles, TestFlight, Play Store internal testing, and review processes adds significant DevOps complexity beyond web deployment.
Performance optimization
JavaScript thread bottlenecks, unnecessary re-renders in long lists, and animation jank require profiling with Flipper/Hermes and careful optimization of the render pipeline.
Best practices
Use Expo managed workflow by default
Expo handles native configuration, build tooling, and OTA updates. Only eject to bare workflow when you need a native module that Expo doesn't support via config plugins.
Share business logic, not UI components, with web
API calls, state management, validation, and types share well between web and mobile. But UI components should be built natively for each platform's design conventions.
Use Expo Router for navigation
Expo Router brings file-based routing to React Native with deep linking, typed routes, and the same mental model as Next.js. It's the modern standard for RN navigation.
Optimize lists with FlashList
Replace FlatList with Shopify's FlashList for large lists — it recycles views like native list components and handles thousands of items without jank.
Frequently asked questions
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Want to build with React Native?
Talk to our engineering team about your React Native architecture. We'll respond within 24 hours.
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