iOS 13 is the thirteenth major release of the iOS mobile operating system developed by Apple Inc. for their iPhone and iPod Touch lines.
The successor of iOS 12 on iPhone and iPod Touch, it was announced at the company's Worldwide Developers Conference
(WWDC) on June 3, 2019, and was released on September 19, 2019.
iOS 13 and iPad OS 13 were introduced by software engineering director Craig Federighi at the Apple Worldwide Developers Conference keynote address on June 3, 2019.
The first beta was made available to registered developers after the keynote.The second beta was released to registered developers on June 18, 2019,
and the first public beta was released on June 24, 2019.