Apple on Thursday updated its developer website with a chart indicating that iOS 7 adoption as of December 1 is already at 74%. The chart additionally reveals that 22% of iOS devices are still running iOS 6 while just 4% of iOS devices are running even older iterations of iOS.
The 74% figure is extremely impressive, and further serves to highlight that Apple does a tremendous job of releasing major iOS updates capable of running on older devices. The iPhone 4, for example, was released about three and a half years ago and still supports iOS 7.
This stands in stark contrast to Android where only 1.1% of devices are currently running Android 4.4, otherwise k