In order to Prevent Data Leakage And Secure App Code of React Native Applications, Appsealing has introduced React Native, which is based on JavaScript and allows developers to build natively rendered mobile apps for both iOS and Android operating systems. It uses React JavaScript (ReactJS), which is an open-source, front-end JavaScript library for building (user interface) UI interfaces and components for apps and websites. In this article, we discuss the aspects of react native security for apps built on the open-source mobile application framework. You can check the below article on runtime application self-protection.