React Native
React Native is an open-source mobile application framework created by Meta (formerly Facebook) that enables developers to build native mobile apps using JavaScript and React. It distinguishes itself from alternatives like Flutter or Cordova by compiling to native UI components, providing near-native performance while allowing code reuse across iOS and Android. Companies like Facebook, Instagram, and Airbnb have used it for real workloads such as social media feeds and booking interfaces, leveraging its hot-reloading feature for rapid development. A concrete technical detail is its use of a bridge to communicate between JavaScript threads and native modules, which can introduce performance bottlenecks in complex animations.
Use React Native when you need to develop cross-platform mobile apps quickly with a single codebase, particularly for teams already skilled in React and JavaScript, as seen in startups like Discord for their mobile clients. It is not the right pick for apps requiring high-performance graphics or complex native integrations, such as gaming or heavy AR applications, where native development in Swift or Kotlin is superior. The community acknowledges a weakness in its dependency on third-party libraries for many native features, which can lead to maintenance challenges and versioning issues.
See how it ranks →