At 5.9%, North American iOS 7.1 adoption has progressed at a very similar rate to iOS 7.0.6. 24 hours following that release, iOS 7.0.6 users generated 6% of total iOS traffic, averaging to about 5% over the course of the full day. Considering Apple’s update notification strategy, along with these two data points, it seems likely that future minor iOS 7 version updates will experience highly comparable levels of adoption.
Chitika examined tens of millions of U.S. and Canadian iOS-based online ad impressions from March 9 through March 11, 2014 for the study.
To learn more about what's new in iOS 7.1 click here.
Take a look at the chart below to see the adoption levels.