This is the second part of the interview questions series. If you are looking for React Developer interview questions, check out my previous article here.
Here are the 11 React Native Interview Questions you should know in 2025.
1. How does React Native achieve native-like performance?
React Native achieves native-like performance through several key features.
Direct native rendering
React Native components map directly to native UI components, allowing the app to render UI elements using the platform’s native APIs. This results in a UI that’s indistinguishable from one built using native code.
Native threads
There are 3 threads commonly used in React Native:
UI thread: This is the main thread responsible for initializing the app, rendering the UI, managing touch events, and invoking the JavaScript thread. The biggest advantage of this thread is that it can run in parallel with the JavaScript thread, enabling smooth UX even when an intensive computation is running on the JavaScript thread.
JavaScript thread: This thread runs the JavaScript code…
