Too Long; Didn't Read
React Native is three years older than Flutter, introduced in 2015. Flutter uses Dart as its presentation and procedural language. React Native’s presentation language is proprietary but oddly resembles JSX. Flutter's. presentation language resembles. JSX. React Native uses JavaScript Bridge to. initialize screens and so doesn’t work as seamlessly as Flutter. The ‘hot update’ feature of React Native allows developers to apply patches without having to go through the app store release process again. Both React Native and Flutter are free and steadily growing in popularity.