The iPadOS is a mobile operating system developed by Apple, Inc. for its iPad line of tablet computers. It was given a name distinct from iOS, the operating system used by Apple's iPhones to reflect the diverging features of the two product lines, such as multitasking. It was introduced as iPadOS 13, reflecting its status as the successor to iOS 12 for the iPad, and first released to the public on September 24, 2019.