At the time of publication, 76% of iPhones and 63% of iPads released in the last four years were using iOS 18 and iPadOS 18, respectively. Meanwhile, 19% of iPhones and 27% of iPads were running on iOS 17 and iPadOS 17, and only 5% of iPhones and 10% of iPads were on even earlier versions.
Of all currently used iPhones, 68% are running on iOS 18, 19% on iOS 17, and 13% on earlier versions. Of all used iPads, 53% are on iPadOS 18, 28% on iPadOS 17, and 19% on earlier versions.
As the source notes, comparing these results with 2023, it can be said that “the trajectory of the spread of new versions of iOS and iPadOS has remained roughly the same.” At that time, the total number of iPhones on the latest operating system version was 66%, and iPads were 61%.
“These figures can be seen as an indicator of reaching the peak speed of new version adoption and can also be compared with competitors in the Android device market,” the material states.