Apple iOS Version History By zachpeck Jun 1, 2007 iPhone OS The first OS is released with the iPhone Jul 11, 2008 iPhone OS 2 The second OS for iPhone is released to public Jul 17, 2009 iPhone OS 3 The iPhone OS 3 is released Jun 21, 2010 iOS 4 The iOS 4 is released for iPhone and iPod Touch Oct 12, 2011 iOS 5 Sep 19, 2012 iOS 6 Sep 18, 2013 iOS 7 Sep 17, 2014 iOS 8 Sep 16, 2015 iOS 9 Sep 13, 2016 iOS 10