Apple's latest software distribution data divulges that iOS 8 is now running on 68% of all Apple devices. This data is derived from the iTunes App Store, where 68% of all registered devices are running on the latest version of Apple's mobile operating system - iOS 8. Meanwhile, iOS 7 share has declined to 29% of Apple devices, with just a puny 4% stuck with older versions of the OS.

iOS 8 was originally released on September 17, 2014.