React Native is a powerful framework for building mobile applications using JavaScript and React. Developed by Facebook, React Native enables developers to create native-like experiences for iOS and Android platforms while maintaining the efficiency and flexibility of web development. At its core, React Native leverages the same principles as React.js, allowing developers to build user interfaces by composing reusable components. This declarative approach to UI development simplifies the process of creating complex user interfaces, enabling faster development cycles and easier maintenance. One of the key advantages of React Native is its ability to achieve near-native performance by rendering components using native APIs. This means that React Native apps not only look and feel like native applications but also perform comparably in terms of speed and responsiveness. Moreover, React Native offers a rich ecosystem of third-party libraries and tools, making it easy to integrate with other technologies and extend its capabilities. This enables developers to leverage existing codebases and resources, accelerating the development process and reducing time-to-market for mobile applications. In summary, React Native empowers developers to build cross-platform mobile apps with ease, combining the productivity of web development with the performance and user experience of native applications.