To build React Native apps for iOS you’ll need the following software: Install React Native dependencies for iOS You don’t need Catalina to build apps with React Native, and since slow loading times drive me nuts, I’m not going to upgrade to Catalina unless I have to. Just upgrading from High Sierra to Mojave made my Mid-2014 MacBook Pro noticeably slower. Why not upgrade to Catalina if your Mac is from 2012-2016? You can, but it will probably make your Mac significantly slower. Mojave if your Mac is from around 2012-2016.You won’t be able to run the latest version of Xcode if you use an OS older than Mojave, so you have to upgrade to:
This tutorial shows you how to install and set up React Native (with the React Native CLI) for iOS development, on a Mac (macOS).
