Probably because you could sign up with a burner phone and then use it on a different device. As the code is open source it should be possible to determine if there is any way for the app to collect dangerously tracable information about the actual device it is being used on such as it's phone number or EMEI number.
There’s a telegram channel, Intel Slava Z, that is doing similar work as UkraineMaps:
https://t.me/s/intelslava
Probably because you could sign up with a burner phone and then use it on a different device. As the code is open source it should be possible to determine if there is any way for the app to collect dangerously tracable information about the actual device it is being used on such as it's phone number or EMEI number.
If you cant find a way to afford a 20 dollar burner phone then thats your problem.