Compared to the last major update, the growth of IOS 10 is slower as shown by the latest figures published by Apple.
In the first two weeks of availability iOS 10 had recorded a rate of adoption among the absolute fastest, because in a few weeks when 60% of the devices had already Apple’s new operating system (as announced on October 30 Hello Again during the event). After a month, however, the adoption rate rose only by 3 percentage points and now stands at 63%. In the same period, iOS 9 was already at 70%.
In addition to the 63% of iOS 10, today 29% is occupied by iOS 9 and 8% from previous versions.