It only depends on GPS if you actually have that installed. I don't, and Signal ...

Vinnl on March 14, 2019 | parent | context | favorite | on: Telegram gets 3M new signups during Facebook apps’...

It only depends on GPS if you actually have that installed. I don't, and Signal works fine using an official package (which you install the first time from their website, after which it self-updates).