> Three physical buttons at the bottom are much better user experience than apple, where the back is somewhere on top of the phone. If the app is a native iOS

> Three physical buttons at the bottom are much better user experience than apple, where the back is somewhere on top of the phone. If the app is a native iOS app, or at least built following Apple’s design guidelines, then swiping right will always navigate back in any app. It’s a universal gesture, and this is one way to easily spot apps that weren’t built for iOS.