HI !😁
because when class size `conpact` is set as horizental, it means class size for `all iPhone` including iPhone 6, iPhone 6 plus, iPhone 5, iPhone 4 and so on..
It mean all iPhone`s actual horizental screen length same ????!
You're right, the only exception being the iPhone 6 Plus (and 6s Plus obviously) used in landscape, where the horizontal size class becomes Regular, as indicated in the iOS HIG : Adaptivity and Layout (https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/MobileHIG/LayoutandAppearance.html).
I still kind of wish that 3.5" iPhones would have a Compact vertical size class, but well, that's the way it is.
You're right, the only exception being the iPhone 6 Plus (and 6s Plus obviously) used in landscape, where the horizontal size class becomes Regular, as indicated in the iOS HIG : Adaptivity and Layout (https://developer.apple.com/library/ios/documentation/UserExperience/Conceptual/MobileHIG/LayoutandAppearance.html).
I still kind of wish that 3.5" iPhones would have a Compact vertical size class, but well, that's the way it is.
All iPhones have Compact Width & Compact Height in landscape orientation except ones with 5.5" screen sizes (6 Plus & 6s Plus).
The iPhone 6 Plus & 6s Plus have Regular Width & Compact Height in landscape orientation.
