Which is best state management in Flutter?

Flutter bloc is one of the state management for Flutter applications. You can use it to handle all the possible states of your application in an easy way .

So to answer your question, you DON’T need RxDart, unless you want to implement the BLoC pattern on your own . If you use the Bloc library, you’re already using a RxDart free implementation of the BloC pattern.

Most Popular Packages for State Management in Flutter (2022)