What is React Native?
Understanding React Native architecture, its benefits, and how it enables cross-platform mobile development. This is a foundational concept in cross-platform mobile development that professional developers rely on daily. The explanations below are written to be beginner-friendly while covering the depth and nuance that comes from real-world React Native experience. Take your time with each section and practice the examples
45 min•By Priygop Team•Last updated: Feb 2026
Introduction to React Native
React Native is a framework for building native mobile applications using React and JavaScript. It allows developers to write code once and deploy it on both iOS and Android platforms, while still providing access to native platform features and performance.
React Native Architecture
- JavaScript Thread - Runs your React Native code — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Native Thread - Handles native UI components — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Bridge - Communication layer between JS and native code
- Native Modules - Access to platform-specific APIs — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Metro Bundler - JavaScript bundler for React Native
React Native vs Other Technologies
- vs Native Development - Faster development, code sharing
- vs Flutter - JavaScript ecosystem, React knowledge
- vs Ionic - Better performance, native feel — a critical concept in cross-platform mobile development that you will use frequently in real projects
- vs Xamarin - JavaScript instead of C# — a critical concept in cross-platform mobile development that you will use frequently in real projects
Key Benefits of React Native
- Cross-platform development with single codebase — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Hot reloading for faster development — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Access to native platform features — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Large community and ecosystem — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Backed by Facebook/Meta — a critical concept in cross-platform mobile development that you will use frequently in real projects
- Performance close to native apps — a critical concept in cross-platform mobile development that you will use frequently in real projects