Along with launching the iPhone 6s and iPhone 6s Plus, Apple also released iOS 9 for iPhones, iPads and iPod touch. Since its launch in September, iOS 9 has seen adoption rate grow to 66 percent, or in other words two out of three Apple devices now run on iOS 9. Also Read - Apple removes a popular Quran app in China: Here's whyAlso Read - Good news for iPhone loves! Apple beats Xiaomi to regain second position in global smartphone market
The adoption rate is quite impressive compared to last year s iOS 8, which reached 64 percent adoption by December, 68 percent by January, and a high of 87 percent just before iOS 9 was released. Also Read - Apple Music could soon release on the PlayStation 5: Report
A couple of weeks ago, Apple released a major iOS 9.1 update, which brought a slew of new emojis and bug-fixes. Ever since the iOS 9.1 update was released, the adoption has grown by five percent from 61 percent to 66 percent.
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Out of the remaining 34 percent, 25 percent is claimed by iOS 8 whereas nine percent is claimed by previous versions of iOS. Apple has also started seeding the next major iOS 9.2 beta update to developers and beta testers.
In comparison, the adoption of Android Lollipop is a mere 23.5 percent since it was launched last year. As of October 5, Android 5.0 and Android 5.1 have an adoption of 15.6 percent and 7.9 percent, respectively. Android 4.4 KitKat still runs on most devices with an adoption rate of 38.9 percent.