I think it's the App Store review people who have generally done a good job in ensuring that an iOS app looks and behaves the way it's expected to. I'm not sayi

I think it's the App Store review people who have generally done a good job in ensuring that an iOS app looks and behaves the way it's expected to. I'm not saying whether it's "wrong" or "right", just the mere fact that some warm body is running an app through its paces and makes an actual decision whether to reject it or not ensures a pretty consistent user interface.