A quick google shows a mumble mobile client exists, but honestly recommending a voice only program as a replacement for discord is genuinely ridiculous on their

A quick google shows a mumble mobile client exists, but honestly recommending a voice only program as a replacement for discord is genuinely ridiculous on their part. Matrix is the closet they get. A large part of their point is self hosting, and Signal is a bit better, but still fundamentally resides on someone else's servers. And last I checked, Signal required a phone number to make account and connect with others, which personally is a line.