How much code can we share between React web and React Native?

Typically 60-80% of business logic, API clients, validation, and state management. UI components are platform-specific, but the data layer underneath is shared. We structure this with a monorepo and shared TypeScript packages from day one.

Expo or bare React Native?

Expo for most projects. It handles OTA updates, build pipelines, and native module configuration. We use bare workflow only when you need custom native modules that Expo does not support, which is increasingly rare with Expo Modules API.

How do you handle React Native performance?

We profile with Flipper and React DevTools, optimize list rendering with FlashList, minimize bridge crossings, and use native driver animations. For heavy computation, we offload to native modules or background threads. Most apps maintain 60fps with these practices.

Can you integrate React Native into our existing native app?

Yes. React Native supports brownfield integration where new screens are built in React Native while existing native screens remain untouched. We use this approach when clients want to adopt React Native incrementally without rewriting their entire app.

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React Native Engineers

Hire React Native Developers

Share code with React web. Ship to both stores.

Our React Native engineers build cross-platform mobile apps that share logic with your React web codebase. Expo, TypeScript, and monorepo architecture for maximum code reuse.

Book a strategy call See relevant workUpdated Mar 2026

25+

RN apps shipped

4.7/5

Store rating

50%

Cost vs. native

Overview

Why React Native?

1Raft provides React Native development teams that build cross-platform iOS and Android apps sharing code with React web applications. Using Expo, TypeScript, and monorepo architecture, 1Raft engineers ship mobile apps that reuse up to 80% of business logic from existing React web codebases.

React Native makes sense when your team already knows React or you need to share code between web and mobile. Our engineers build with Expo and bare React Native, choosing the right setup based on your native module requirements and deployment constraints.

We structure every React Native project as a monorepo with shared TypeScript packages for business logic, API clients, and validation schemas. The mobile app, web app, and backend all consume the same core libraries. This eliminates the drift that happens when separate teams maintain separate codebases.

Our React Native team has shipped fintech apps processing $500K+ daily transactions, healthcare apps with HIPAA-compliant data handling, and marketplace apps with real-time chat and push notifications. We handle the platform-specific details that web-focused React developers miss: native navigation performance, background task handling, and App Store review requirements.

Why 1Raft for React Native

React Native with Expo and bare workflow
React Navigation for native-feeling navigation patterns
Shared monorepo architecture with React web applications
TypeScript end-to-end: mobile, web, and API layers

Expertise

What our React Native team delivers

React Native with Expo and bare workflow

React Navigation for native-feeling navigation patterns

Shared monorepo architecture with React web applications

TypeScript end-to-end: mobile, web, and API layers

Native modules and platform-specific code (Swift/Kotlin bridges)

Offline-first with MMKV, WatermelonDB, and background sync

Push notifications, deep linking, and in-app purchases

CI/CD: Fastlane, EAS Build, GitHub Actions, and Detox E2E testing

Process

How the engagement works

Week 1

Platform audit and monorepo design

Evaluate your existing React codebase for shared logic opportunities. Define the monorepo structure, shared packages, and platform-specific boundaries. Output: architecture diagram and sprint plan.

Weeks 2-3

App scaffold and shared libraries

Set up the monorepo, shared TypeScript packages, navigation structure, and auth flow. Both iOS and Android builds running on physical devices by end of week 3.

Weeks 4-10

Feature sprints

Two-week cycles delivering screens and shared logic. TestFlight and Play Store internal testing builds every sprint. Code sharing metrics tracked weekly to maximize reuse.

Weeks 11-14

QA, optimization, and store submission

Device testing across 20+ models, performance profiling with Flipper, accessibility audit, and App Store/Play Store submission. Post-launch crash monitoring with Sentry.

Use Cases

Real-world React Native projects

Mobile banking app for a fintech startup

Built a React Native banking app with biometric auth, real-time transaction feeds, and P2P transfers. Shared 75% of business logic with the existing React web dashboard via a monorepo. → Launched on both stores in 12 weeks. 50,000+ downloads in first quarter. Transaction processing latency under 300ms. 4.8 star rating on App Store.

Patient engagement app for a healthcare platform

HIPAA-compliant React Native app with appointment booking, secure messaging, and medication reminders. Offline-capable for areas with poor connectivity. Shared validation and API layer with the provider web portal. → Patient engagement increased 45%. Appointment no-show rate dropped from 22% to 8%. Push notification opt-in rate: 78%.

Marketplace app for a services platform

Two-sided marketplace app with real-time chat, location-based search, and payment processing. React Native with Expo for rapid iteration. Shared order management logic with the React web admin panel. → Time-to-market reduced 40% compared to native estimate. 30,000+ active users within 6 months. Average session duration: 9 minutes.

Technology stack

React NativeExpoTypeScriptReact NavigationZustandReact QueryFastlaneDetox

Frequently asked questions

Choose React Native if your team already uses React or you want to share code between web and mobile. Choose Flutter if you need pixel-perfect custom UI across platforms and have no existing React codebase. We build with both and recommend based on your specific situation.

Next Step

Get a React Native team matched to your product.

One call with a founder. No sales team, no follow-up sequence. If we can't help, we'll say so.

Talk to a founder

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