When is the iOS 7 release date?

UPDATE: iOS 7 release date confirmed as September 18, 2013.

Apple announced that iOS 7 is the most fundamental change in its mobile operating system since the first iPhone hit shelves in 2007. Completely redesigned, iOS 7 also includes 10 major new features and 1500 new APIs for developers.

The first developer beta is available on June 10, 2013.