You can do that by running the following commands: npm install -g expo-cli To get started with Expo, you first need to install Expo CLI. If you want to include native code in your application, it is better to go with vanilla React Native from the start.
However, when using Expo, you can’t create custom native modules beyond those that ship with the React Native API. Using Expo is the easiest way to get started with React Native.
Codemagic automates the process Get started Developing iOS apps on React Native with Expo CLI
You don’t need to own a Mac to build an iOS app.