Both Flutter and React Native are popular choices for cross-platform development. Flutter is preferred for its performance and UI consistency across platforms, while React Native is favored for its large community and existing JavaScript knowledge among developers.

While it’s technically possible to use Flutter and React Native in the same project, it’s not a common practice due to the complexity and potential performance issues. It’s generally recommended to choose one framework based on project requirements and stick with it.

The ease of learning depends on individual preferences and prior experience. React Native may be easier for developers familiar with JavaScript and web development, while Flutter may be more intuitive for developers with experience in object-oriented programming languages like Java or C#.

Both Flutter and React Native can build large-scale applications. The choice depends on factors such as performance requirements, development team expertise, and project timelines. Flutter’s performance benefits and UI consistency may make it more suitable for some large-scale projects, while React Native’s extensive ecosystem may be advantageous in others.

Flutter is often considered better for building high-performance apps due to its compilation to native code and minimal reliance on a JavaScript bridge. However, React Native has made significant performance improvements over time and is also capable of building high-performance apps, especially with optimisations and third-party libraries.