240.0 x 169.5 x 6.1 mm: iPad Air 2: 9.7 inches: Retina: 240.0 x 169.5 x 6.1 mm: iPad Air Apple has four different lines of iPad; iPad, iPad mini, iPad Air, and iPad Pro. All The iPad Air is supported to iOS 12, with the latest 12.5.7 update released on January 23, 2023. Design. The iPad Air marked the first major design change for the iPad since the iPad 2; it has a thinner design that is 7.5 millimeters thick and has a smaller screen bezel similar to the iPad Mini. FFiyaA.