In this case both are new technology..
Now this is the little confusion to choose which one is better? but i try to justify trending topic this time.
React Native is one of the most emerging, open- source application development frameworks. It was developed by Facebook with the motive to bring the concepts from web development into mobile development. React Native is used for building iOS and Android apps. React Native was released in March, 2015. In this framework, development is done in JavaScript. However, the app appearance seems to be like a native app.
Flutter is Google’s mobile app SDK for developing high-quality native interfaces on Android and iOS in a record time of 120 FPS. Flutter works with the existing code and the ease that it offers has resulted in its adoption by developers and organizations around the world. Flutter is developed by Google. It is also used for developing iOs and Android apps. Flutter was released in May 2017.The SDK is completely free and is launched in open source format for developers to explore and create amazing, powerful cross platform apps around.
To keep thins short, here are some key Performance points:
Things React Native is better at than Flutter
Why react native is trusted.have you use this apps Facebook,Instagram,Skype,Walmart and so. These all are developed in react native.
Anyway, we already described it clearly so that you will be having the better intelligibility about which one is the best, just need to visit the Bacancy Technology website for more information about React Native Or Flutter