I'm looking for an iOS texting app that offers end-to-end encryption but that doesn't display to other users that I'm using or have installed the app.
Signal appears to be a very well-designed app, but as soon as I download and launch it, I see the names of all other Signal users that are in my iOS contacts. Needless to say, they can also see that I use the app, and that's what I wish to avoid.
I'm looking for a secure iOS texting app — I don't need it for calls or anything else — that I and one other person can use without alerting any of our contacts to the fact that we're using the app.
Thanks for any suggestions!