85% Adoption iOS iOS devices 8
http://gadgetexperiance.blogspot.com/2015/08/85-adoption-ios-ios-devices-8.html
The adoption of the 8 iOS on Apple devices reportedly surged to 85% ahead of the release of iOS 4, which informed would slide in September 2015 in conjunction with the announcement of iPhone 6s.
While iOS 7 installed on approximately 13% of iOS devices, whereas the previous generation iOS adopted around 2%. IOS 8rated pretty high in terms of adoption, given in may 2014, iOS 7already installed on 90% 85% on iPhone and iPad.
To quote the page Ubergizmo, Saturday (8/8/2015), iOS updatelevel 8 is more aggressive than iOS 7 because the display design iOS 8 having a lot of overhaul. So it's no wonder when the user more interesting to update their devices.
IOS 9 own ensured did not bring a change of user interface (UI).Any way, there will be some new changes quite interesting, such as updates to the UI Series and the new Spotlightsearch/tools.