How To Add Dynamic Font Size about Multi Device in Xcode Story Board

Question

I added autoLayout in storyBoard (w: Any, h: Any)

But because of fixed font size, The font size is same in all of devices (4, 4.7, 5.5 inch)

It looks nice i

Answer 1

WIth xcode 7.3, you can click add '+' in Attributes inspector to select font size each device