It would be nice if there was a way to tell which users have mobile app installed and which users don't and charge us only for those users that will actually use the feature we are paying for.
+1 make it per user
This decision works against zulip long term, now we have to think before inviting/adding users to our server.
Third rug pulled from under us in a year: zerotier, rport and now zulip.
