To make and release an android app you can do it on any windows, Linux or apple laptop or desktop.

To make and release an iOS app, apple insist you can only do it on an apple machine.

This is a cross platform solution challenging Apple's arrogance and greed.

A tutorial showing how to use xtool to develop for iOS on Linux/Windows. Normally, it's limited to Mac OS only.

It allows automated builds of an Xcode project on a CI machine, VPS, or docker instance.