Nearly two-thirds of iPhones have been upgraded to the latest iOS 6 operating system, just two weeks after launch, according to a new study.
According to advert monitoring firm Chitika Insights, 60 percent of iPhones are now running iOS 6; 50 percent of iPad users have also made the upgrade.
"Apple's performance in this area is a great selling point for mobile advertisers, as well as website and application developers, who can all confidently optimise their mobile properties to take advantage of the latest iOS capabilities without fear of shutting out a large portion of the user base," Chitika said in a blog post.
Chitika gathered the information for its study by surveying mobile ad impressions on its ad network from 18 September to 1 October. The firm then split the statistics based on device to come up with its numbers.
iPhone OS stats show that iOS 6 is already on most Apple smartphones, with iOS 5.1 a distant second with 29 percent of devices.
The only Apple device to see some sort of iOS 6 hold out is the iPod Touch - just 39 percent of iPod Touch users have updated. Chitika said the slower adoption rate is because of the number of older Touch devices still on the market.
"The higher degree of fragmentation seen with iPod Touch devices can be largely be attributed to first and second generation iPod Touches not being able to update past iOS 4," Chitika continued.
"While the same is true of older iPhones, cellular companies offer discounted upgrades as part of contracts, encouraging turnover within this market."
As iOS devices continue to see strides in update adaptation, Google's Android OS has continued to struggle to find early adopters. According to Google's latest figures only 1.8 percent of Android users are working with the latest Jelly Bean OS.
Google's numbers show that the majority of Android users are still using the older Gingerbread OS. Gingerbread currently makes up for a total of 55.5 percent of the total user base. Android's Ice Cream Sandwich OS comes in second to Gingerbread with a 23.7 percent user adoption rate.
Despite Android's slow implementation rates the mobile OS has seen slight gains from this time last month. Ice Cream Sandwich's market share is up roughly three percent from this time last month.
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