React Native development for iOS and Android from one codebase
React Native lets developers build iOS and Android apps with React and JavaScript or TypeScript, rendering real native interface components. It is a strong choice when you want both platforms from one team, especially if you already have a React web application.
Most of the code, often the large majority, is shared between platforms, which reduces cost and keeps features in step. Native modules can be written in Swift or Kotlin when a feature needs direct platform access. Performance is good for typical business and consumer apps. Very graphics-intensive apps, or those that depend on brand-new platform features immediately, may be better built natively. We usually build React Native projects with Expo, which simplifies builds and updates.
What we build with React Native
- Consumer apps for iOS and Android
- Booking, ordering and account apps
- Companion apps for web platforms
- Internal and field-service apps
- MVPs that need both app stores
React Native questions
Will a React Native app feel native?
Yes, for most apps. It renders platform interface components, and with careful design users should not notice a difference from a fully native build.
Can we reuse code from our React website?
Business logic, API clients, types and validation can be shared. Interface components are usually written separately for mobile.
How do app store reviews work for React Native apps?
They are reviewed exactly like native apps by Apple and Google. We build and submit the iOS and Android versions under your own developer accounts and handle any review feedback.
Can a React Native app work offline?
Yes. We store data locally using SQLite or a similar database and queue changes so they sync with your server when the connection returns.
How are push notifications added in React Native?
We integrate Apple Push Notification service and Firebase Cloud Messaging through established libraries, handling permissions, notification taps and deep links on both platforms.
What can cause performance problems in React Native?
Heavy work on the JavaScript thread, oversized lists and unnecessary re-renders are the usual causes. We use the newer architecture, optimised list components and profiling to keep the app smooth.
What if we need a feature React Native does not support?
We write a native module in Swift or Kotlin and expose it to the JavaScript code, so the app can use any platform capability.
How do you test a React Native app?
We combine unit tests for business logic, component tests for screens and end-to-end tests that run the app on simulators and real devices before each release.
Is one React Native codebase cheaper than two native apps?
Usually, because most code and one team serve both platforms. Savings shrink if the app relies heavily on platform-specific features that need separate native work.
How do we keep a React Native app up to date?
React Native, its libraries and the iOS and Android SDKs all move on regularly, so we plan periodic upgrades rather than letting versions fall far behind, which makes later upgrades much harder.
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Have a project in mind? Let’s talk.
Tell us what you are building. We reply within one business day with next steps — and we are happy to sign an NDA first.