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:
I have toyed around with a couple of the other, actually native, apps. They were pretty nice back then but not really feature complete. I assume that has changed somewhat since I last used it. :)