By Serina Gilbert, 12 September, 2017 Forum iOS and iPadOS Just watched the majority of the Apple special event but I did not catch when ios 11 will be released. Did anyone catch the date? Options Log in or register to post comments Comments September 19. September 19. mark it on your calendar. September 19th is iOS 11 release day. iOS version 11.0, build 15A372 release date It'll be released on Tuesday the 19th of September iOS 11 relies date confirmed hello Sara, the Ios 11 is going to be releeced to all on september 18th. iOS 11 release date It'll be released on September 19. Hi, Hi, I'm assuming that MacOs high sierra will be released on the date that iOS will be released, am i right? or will it be out later on/today. Thank You Thanks for the info. I would imagine that the Mac OS would release that same day too. September 19th! September 19th is the release date for the new IOS. Ios 11 For thouse of people that was installed ios 11 beta, yesterwday the final version is out, i was installed on my iPhone 6 don't shure if i will install on my iPhone 7. because a few bugs that i had e experience in ios 11.