iOS is the name of the operating system that is in use in iPhone and iPod Touch. In iPad, a variant of iOS named iPadOS is in use.

This page provides some links that should be useful when you learn to develop applications (apps) for iOS-based devices.

About iOS Screens

Often it is necessary to for a software developer to know the sizes and and resolutions of the screens of iOS devices. The iOS screens have both physical and logical sizes. Physical screens are often described with pixels, while logical screen are described with points. The following links provide information about the screens.

    iPhone Screens    Resolutions

The logical screen sizes are often the most important for software developers. The logical screen size of an iPhone can change, if the user switches from Standard to Zoomed display. The following is a list which tells the logical screen sizes of some iOS devices.

430 x 932 iPhone 14 Pro Max
428 x 926 iPhone 14 Plus
iPhone 13 Pro Max, iPhone 12 Pro Max
393 x 852 iPhone 14 Pro
390 x 844 iPhone 14
iPhone 13, iPhone 13 Pro
iPhone 12, iPhone 12 Pro
375 x 812 iPhone 14 Pro Max Zoomed, iPhone 14 Plus Zoomed
iPhone 13 mini, iPhone 12 mini
iPhone 13 Pro Max Zoomed
iPhone 12 Pro Max Zoomed
iPhone 11 Pro
iPhone XS, iPhone X
414 x 896 iPhone 11 Pro Max, iPhone 11
iPhone XR, iPhone XS Max
414 x 736 iPhone 8 Plus, iPhone 7 Plus
iPhone 6s Plus, iPhone 6 Plus
320 x 693 iPhone 14 Pro Zoomed, iPhone 14 Zoomed
iPhone 13 Zoomed, iPhone 13 Pro Zoomed
iPhone 13 mini Zoomed
iPhone 12 Zoomed, iPhone 12 Pro Zoomed
iPhone 12 mini Zoomed
iPhone X Zoomed, iPhone XS Zoomed
375 x 667 iPhone 8, iPhone 7, iPhone 6s, iPhone 6
iPhone SE 3, iPhone SE 2
iPhone 8 Plus Zoomed, iPhone 7 Plus Zoomed
iPhone 6s Plus Zoomed, iPhone 6 Zoomed
320 x 568 iPhone 8 Zoomed, iPhone 7 Zoomed
iPhone 6s Zoomed, iPhone 6 Zoomed
iPhone SE 1, iPhone 5, 5S, 5C
iPod touch (generations 5, 6, and 7)