Telegram is known as a privacy-focused secure messaging app because it markets itself that way. However, it is often criticized by security experts, privacy advocates, and people with common sense who can understand why its claims about being privacy-friendly don't make sense. In this brief article, I'll show you all
In the same class as any app store based communication software.
Signal can be installed from an apk from their site
https://signal.org/android/apk/
And can you review the source for this APK?
Yes, you can even confirm the published source reproduce this specific apk
https://github.com/signalapp/Signal-Android/blob/main/reproducible-builds/README.md
Wow. Not what I expected in the Android world.