Apple published on its official website for developers statistics on the prevalence of the mobile platform iOS. As of June 5, 2017, 86% of Apple's mobile devices that went to the App Store were running the new iOS 10. At the same time, iOS 9 accounts for 11% of all iPhone, iPad and iPod touch, and Earlier versions of iOS – 3%.
Release iOS 10 took place on September 13, 2016. At the time of launch, users had problems with this version, but they were settled fairly quickly by Apple. At first, the distribution of iOS 10 was somewhat slower than iOS 9 last year, when 50% was achieved in two weeks. However, now iOS 10 even broke forward, For comparison, iOS 9 was installed on 87% of devices only as of August 15. Interestingly, released in August 2016, Android Nougat now only available on 9.5% of Android-devices.