React Native

React Native is a framework initially created for Facebook, now enabling JavaScript developers to produce cross-platform applications. It uses a set of internal APIs to create it, using ready-made Android and iOS interface elements instead of creating your own. Thanks to this solution, applications work equally well on both platforms, while maintaining the original, native look & feel of their systems. Using JavaScript and its huge database of tools (unavailable in other technologies), we can create user-friendly and extremely efficient applications.

• existence of one code for multiple platforms, while supporting iOS and Android versions of the application.
• saving time and money – we only need one team of developers based on a stable framework – React.
• makes it easier to share code with web applications (written in React), enabling the reuse of up to several dozen percent of the code.
• support resulting from the possibility of using the so-called hot reloading, which allows the developer to test changes and any corrections in a much faster and easier way than in traditional single-platform applications.
• numerous and frequent updates of the React Native software provide access to the latest and more tailored solutions on the market. Both of these factors contribute to faster development, i.e. more intensive and effective design of the best solutions.

Expo is a set of tools that streamlines work with React Native and makes it even easier to create native applications. It is an open source platform that allows you to create universal native applications for Android, iOS and the web using JavaScript and React. Expo takes care of the difficult steps of creating any app, so there’s no need to use Xcode or Android Studio to deliver your app to users. You can make adjustments and users will see them immediately without having to download the app again.