zlacker

>>mikece+(OP)
2 ideas to limit costs: Make it a 2 tier plan: free tier is text and images only, paid tier adds audio/video calls Remove the need for phone number verification

I'd be happy to pay 10 bucks a year for Signal.

>>popol1+Wc
They do that and everyone moves to WhatsApp or Telegram. Your comment ignores the whole private chat app landscape.