I’ve come to realize that a lot of foss android apps are pretty outdated and usually abandoned. Is that even safe to use? Like even the fdroid archive repository, are those safe to use? I’m still rather new to the foss world, but in my mind it seems a very outdated app is probably not safe or am I missing something here?
It gets the number that’s ringing and compares it to a database it downloaded. It’s not doing anything with your sensitive data.
At most if you decide to check online reviews against a number it’ll search the phone number online, but you get a warning beforehand and you don’t have to do that.