I think you gotta use what just fit you the most for how you use your phone. I love my 6s+ and my S7 edge and my Note 5 and my......
Just use what you like the best. Doesn't matter who makes it......
Right off the bat I miss the today screen and notification screen. Widgets on android are nice but I really don't want to scroll through screens looking for them when on iOS I can just pull down and they are all right there. Handoff is a big one too not being able to switch between android and macOS on the fly like I can on iOS.