and does it have all the other features as well?
What i like, is ONE app with all features gathered.
In an emergency situation, you are not going to browse through a bunch of different apps to do all sorts of thing, its not going to happen.
I can tell you, if youve ever been in a real emergency situation, you have trouble thinking clear and rationally, if you get everything straight in your face, you dont have to think, just push...
I think this video explains everything much better than i do
https://www.youtube.com/watch?v=cMYQn-_OUmA