WhatsApp is working on video and voice calls on the web

Matrix is slowly getting there.

or that signal had a web client

As a user of both iOS and Android, that would greatly inconvenience me due to the lack of multi-device compatibility.

Ngl I’m becoming successful at convincing people I meet to message me on signal if they ever need me and I’m not there

The problem we have is trying to get our friends to jump ship to a new alternative. Pretty much any barrier, even small, prevents people from doing this because they already have a working app that does what they need.