> But React Native is different , JS code compiled to native code using c/c++ compiler on target system. Flutter also do like this one.
Sure, but you're compiling two radically different languages. JavaScript is dynamically typed (even with TypeScript) and Dart has a sound static type system.
It's much easier to compile Dart to efficient native code than it is JavaScript.
But React Native is different , JS code compiled to native code using c/c++ compiler on target system. Flutter also do like this one.
Embedded browser is slower than native app, because extra browser layer than native one.