Right WhatsApp, not everyone uses the app, at least with any of the later iPhones can wifi call, use it with my US sim and can call and receive calls free with or without Wi-Fi can use the ais data. There are loads of app that can call worldwide using a different number.
Turn off your phone and and give to someone and play a game of hide and seek.
Crash detection, not available on all androids.
Satellite connection is nice to have when I’m walking out in the boonies when I’m in the US. Though unfortunately only available on a couple androids.
I can give a hoot what others like, it’s none of my business. But it’s foolish and childish to complain about what others prefer.