It is possible to develop iOS (and Android at the same time) application using React Native + Expo without owning a mac. You will also be able to run your iOS application within iOS Expo app while developing it. (You can even publish it for other people to access, but it will only run within Expo app).

Can you develop for iOS without a Mac?

Most of the time, iOS apps are developed and distributed from macOS machines. It’s hard to imagine developing apps for the iOS platform without macOS. However, with the combination of Flutter and Codemagic, you can develop and distribute iOS apps without using macOS.

Can you develop iOS apps on Windows?

With a free to use editor for development and distribution, it is possible to completely build an ios app in Windows. You only need a Mac to compile the project!