React Native is an open-source framework developed by Facebook that enables the creation of cross-platform mobile applications using JavaScript and React. Released in 2015, React Native has become immensely popular for its ability to build high-performance, native-like mobile apps with a single codebase that runs on both iOS and Android platforms.At the core of React Native is the React library, allowing developers to use a familiar component-based architecture for building user interfaces. React Native bridges the gap between web and mobile development, enabling developers to leverage their web development skills to create mobile applications.One of React Native's key features is its hot-reloading capability, allowing developers to see the impact of code changes instantly without the need for a full application restart. This speeds up the development cycle and enhances productivity.React Native provides access to native modules and APIs, ensuring that developers can achieve the same look, feel, and performance as traditional native apps. It has a vibrant community and supports a wide range of third-party libraries and tools, contributing to its widespread adoption in the mobile app development landscape.With React Native, developers can build powerful and responsive mobile applications efficiently, making it an ideal choice for businesses and developers seeking a cost-effective and time-efficient solution for cross-platform app development.