The third generation iPod Touch (marketed as "the new iPod touch", and colloquially known as the iPod Touch 3G, iPod Touch 3, or iPod 3) is a multi-touch mobile device designed and marketed by Apple Inc. with a touchscreen-based user interface. The successor to the 2nd-generation iPod Touch, it was unveiled and released at Apple's media event on September 9, 2009. It is (officially) compatible with up to iOS 5.1.1, which was released on May 7, 2012.