React Native, created by Facebook, is a popular open-source framework for developing cross-platform mobile applications with JavaScript and React. Using a single codebase, React Native enables developers to create native-like experiences for both iOS and Android. React Native's vast component library and seamless integration with native code expedite the mobile app development process, providing developers more efficiency and flexibility. To deepen your understanding of React Native, consider enrolling in the React Native Training in Chennai at FITA Academy.