I don’t really like Apple, but once in a while they do the right thing. This comes from the App store’s new labels on apps.
Signal just has “Contact info” under the “Data NOT linked to you” category. This is just the phone number + contact discovery.
UPDATE
There’s another post adding telegram here. This is what it looks like:
Excellent post, thank you.
Same here. I want Matrix to succeed more but the ease of setup for Signal is really the big deal breaker I imagine, plus not having to host or maintain a Matrix instance if you’re truly concerned about data management.