Community
Flutter has 72K+ Github Stars and 16K+ Closed Issues
React Native has 80K+ Github Stars and 16K+ Closed Issues
App Performance
Flutter is a higher and 60 fps or 120 fps animation and users native UI controllers GUI
React Native is a lower and require a javascript bridge to interact with native components
Installation and Configuration
Flutter is a more straight forward, has automated checkup of system problems
React Native has lacked a streamlining setup & configuration.
Industry Adoption
Flutter has been adopted by Alibaba, GoogleAds, Hamilton, Reflectly
React Native has been adopted by Facebook, Walmart, Skype, Airbnb
Programming Language
Dart is a programming language of Flutter
Javascript is a programming language of React Native
Development
Flutter has less development time 50-90% of code is reusable and also clear and well-structured documentation
React Native has more development time with 90% of code is reusable and chaotic and unclear documentation