One defensive shooting group I am in uses ‘Slack’, but I actually dont know if that has encryption. Signal has encryption and is peer to peer as others have said.
Will people download Signal readily if they already use WhatsApp?
Also, since this will be my first time to sign-up and download any phone app, does anyone have comments on what it entails and how I should sign up for it? I already know that I have to give a phone number, can I use a google phone number and a fake name?