Apple is beating Android phones in at least one area: getting users to update to the latest operating system.
Nearly three quarters (74%) of Apple's mobile devices are now running iOS 7, the operating system it introduced in mid-September, according to an updated chart published on Apple's developer support center page. The data is based on devices connecting to Apple's App Store.
See also: 8 Great Hidden Features in iOS 7

Android, on the other hand, suffers from much worse device fragmentation. Just 1.1% of Android devices are currently running Kit Kat, the latest operating system, which is only available on a limited number of devices. By comparison, Gingerbread, a operating system that is three years old, is running on 24.1% of devices.

While most users are now on iOS 7, not everyone is in love with it. The operating system was a drastic change from previous versions and has received a fair number of user complaints since it was released.
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