Signal for like a decade. I use SimpleX very seldom with only a couple people.

0xchat

I've used all three. Simplex is the most secure. Signal (with the molly fork on my phone) is the most used, currently. Session is fine, but... Not as secure or feature rich as simplex.

GM PV I use telegram Great way to start your day Get your bitcoin off the exchanges https://image.nostr.build/43712c8e9dbb4bb4742771a929bd69a07e354407cc7a83718772ed8bb36e8b5d.jpg