7 WhatsApp alternatives that won’t share your data with Facebook
protonmail.com
We take a look at some of the best open source and end-to-end encrypted alternatives to the WhatsApp messaging app.
  • poVoq
    1•3 years ago

    Ask them to try https://quicksy.im/ Super easy and with phone-number discovery as well.

    P.S.: There are using XMPP already, if they use WhatsApp. Switching to a proper XMPP client will be an even better experience.