React Native App Development

One React codebase, two native apps

React Native apps with the New Architecture, Expo tooling and native modules where the platform demands them. Ideal for teams already on React who want iOS and Android from one TypeScript codebase — and shared logic with their web app.

TypeScript
end to end
Expo SDK
managed or bare workflow
OTA
updates without store review
AssetMap.tsxTSX
1import MapboxGL from "@rnmapbox/maps";
2import { useAssets } from "@/features/assets";
3
4export function AssetMap() {
5 const { data, isOffline } = useAssets(); // TanStack Query + MMKV
6
7 return (
8 <MapboxGL.MapView style={{ flex: 1 }} styleURL={MapboxGL.StyleURL.Dark}>
9 <MapboxGL.Camera zoomLevel={12} centerCoordinate={[72.57, 23.02]} />
10 <MapboxGL.ShapeSource id="assets" shape={data} cluster>
11 <MapboxGL.CircleLayer
12 id="asset-pts"
13 style={{ circleColor: "#00a0f0", circleRadius: 5 }}
14 />
15 </MapboxGL.ShapeSource>
16 {isOffline && <OfflineBanner />}
17 </MapboxGL.MapView>
18 );
19}

Representative React Native code from our projects

01Why React Native

What React Native does better than the alternatives

01

Truly native UI

React Native renders real platform components, so navigation, lists and inputs behave the way users expect on each OS.

02

New Architecture performance

Fabric renderer, TurboModules and JSI remove the old bridge bottleneck; Hermes gives fast startup and low memory.

03

Expo tooling

EAS Build and Submit, config plugins, expo-router and over-the-air updates cut release friction dramatically.

04

Escape hatches everywhere

When you need Swift or Kotlin — BLE, ARKit, custom camera pipelines — we write native modules and keep the rest in TypeScript.

Choose React Native when

  • Your team already builds with React and TypeScript
  • You want shared business logic, validation and API clients between web and mobile
  • Frequent content or UI updates need to ship without waiting for store review
  • The app is UI- and data-driven rather than dominated by heavy native processing

Not sure it fits? Compare with the alternatives below or ask us — recommendations are part of every consultation.

React Native vs. alternatives

02What we build with it

React Native in production

Companion apps for web platforms

Reuse your React design system, API clients and validation to ship mobile quickly.

Field & workforce apps

Offline queues, background sync and Mapbox/ArcGIS maps for crews in the field.

Marketplace and booking apps

Payments, push, deep links and analytics with fast iteration on both stores.

Internal enterprise tools

Distributed via EAS internal builds, MDM or TestFlight without public listings.

Map-centric products

Mapbox GL, MapLibre or ArcGIS Maps SDK wrapped as native views inside React screens.

MVPs that must scale

Ship in weeks, then harden — architecture that grows rather than gets rewritten.

03How we work with React Native

6 ways we deliver on React Native

From greenfield builds to rescues and migrations — each engagement is scoped, estimated and delivered by engineers who work in React Native daily.

01

Greenfield apps with Expo

TypeScript, expo-router, feature-based folders, TanStack Query for server state, Zustand or Redux Toolkit for client state, and design tokens shared with the web.

  • Expo
  • expo-router
  • TanStack Query
  • Zustand

02

Native modules & New Architecture

TurboModules and Fabric components in Swift/Kotlin for hardware, SDK wrappers and performance-critical code — plus migration of legacy apps off the old bridge.

  • TurboModules
  • Fabric
  • JSI
  • Expo Modules API

03

Offline-first data

MMKV/SQLite persistence, mutation queues that replay when connectivity returns, and conflict handling for field data collection.

  • MMKV
  • expo-sqlite
  • WatermelonDB
  • TanStack Query

04

Maps & location

@rnmapbox/maps, MapLibre and ArcGIS Maps SDK for native apps with clustering, offline packs, geofencing and background location.

  • Mapbox
  • MapLibre
  • ArcGIS Maps SDK
  • expo-location

05

CI/CD, OTA & store release

EAS Build/Submit or Fastlane pipelines, EAS Update channels for over-the-air fixes, TestFlight and Play tracks, Sentry crash monitoring.

  • EAS
  • Fastlane
  • EAS Update
  • Sentry

06

Upgrades & performance rescue

React Native version upgrades, removing deprecated libraries, list and render profiling with Flipper/Hermes tooling and fixing jank in existing apps.

  • Hermes
  • Reanimated
  • FlashList
  • Flipper

04Where it sits

React Native in a complete stack

No technology ships alone. This is the reference architecture we start from on React Native projects — the highlighted layer is where React Native lives; the rest is chosen to fit your data, hosting and team.

Ecosystem we use daily

  • React Native
  • TypeScript
  • Expo
  • EAS
  • expo-router
  • React Navigation
  • Reanimated
  • TanStack Query
  • Zustand
  • MMKV
  • @rnmapbox/maps
  • MapLibre
  • Hermes
  • Detox
  • Jest
  • Sentry

Reference architectureReact Native layer

  1. 01 · UI
    • React Native (Fabric)
    • Reanimated
    • expo-router
  2. 02 · App state
    • TanStack Query
    • Zustand / RTK
    • TypeScript models
  3. 03 · Native layer
    • TurboModules
    • Expo Modules
    • Swift / Kotlin
  4. 04 · Storage
    • MMKV
    • SQLite
    • Secure store
  5. 05 · Backend
    • REST / GraphQL
    • ArcGIS services
    • Push (FCM/APNs)

05Honest comparison

React Native or something else?

React Native vs Flutter

Choose React Native when your organisation is already invested in React and wants shared code with the web; choose Flutter for highly custom, animation-heavy UI from one team.

React Native vs Native iOS/Android

Choose React Native for content- and data-driven products with frequent releases; go native when hardware, AR or raw performance dominate.

Still undecided? The mobile technology guide walks through when we recommend each option.

All mobile technologies

06FAQ

React Native questions

Looking for the full service? React Native work is delivered under our Mobile App Development practice.

Expo for almost every new project — its config plugins and Expo Modules cover native needs without ejecting. We use bare workflow only for unusual native integrations.

Start a project

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