iOS 7 is a major interface upgrade for the iPhone and iPad. Apple CEO Tim Cook described the update as being "the biggest change to the iPhone since 2007".
iOS 7 is the latest version of the iPhone operating system. It features a flatter, cleaner, and more minimalistic design than its predecessor which focused on skeuomorphic design elements such as the use of wood grains and leather. iOS 7 was released on September 18th, 2013.