React Native is an open-source mobile application development framework created and maintains by Meta Platforms. It has a large community of individuals for support and additional contributions which made React Native as the repository with 2nd highest contributors in GitHub.
When using React Native, developers don’t need to write separate codes for different platforms for Android and iOS. In fact, around 90% of the code can be reused between different platforms which increases the speed and efficiency of development process and reduces the development cost comparing to individual native app development and lesser maintenance efforts.
React Native uses Flexbox for implementing layouts for the screens. Flexbox makes the app compatible with different screen dimensions of different devices. Hence, developers don't have to adjust their code for different operating systems and screen sizes
React Native has a live reloading feature that helps developers to work on the changes and observe those changes in real time. We can make changes in the code while the app is running and see the changes in the live app using the auto-reload feature. We can also reload a particular area of changes to save time on a compilation.
The React Native framework is well-tuned for mobile platforms. Compared to other hybrid app development technologies React Native is the faster one. Unlike the native mobile app, React Native makes use of GPU (Graphics Processing Unit) rather than CPU (Central Processing Unit) which increases the speed and performance of the framework.
As the code is reusable in React Native, we don’t have to develop separate apps for both android and iOS which helps to save the development cost drastically. On top of it, there are many pre-built components in React Native that further speeds up the development process.
We can convert any existing web page into a fully-fledged mobile app using React Native framework. The only thing we must do is change the layouts and styles of the web page according to the device screen. This flexibility of React Native apps can save a lot of time and money.