The Android 4.4 “KitKat” update has been out since 31 October, 2013 and, as of the beginning of this month, it was running on 2.5 percent of Android devices. On the other hand, Apple released iOS 7.1 on Monday, and after only three days it has already been installed on 21 percent of iOS devices.This data aligns with data provided by Apple that claimed that 83 percent of iOS devices were running iOS 7 before iOS 7.1 was released. The second most popular version of iOS is iOS 7.0.6, which is running over 36 percent of iOS devices. This version was released February 21, and patched a serious security vulnerability affecting SSL verification.
read more via zdnet.com