I phone -IOS training in Ahmedabad

iOS (formerly iPhone OS)[5] is a mobile operating system developed by Apple exclusively for its iPhone mobile devices. It was unveiled in January 2007 for the first-generation iPhone,[6] which launched in June 2007. Major versions of iOS are released annually; the current stable version, iOS 18, was released to the public on September 16, 2024.[7] Besides powering iPhone, iOS is the basis for three other operating systems made by Apple: iPadOS, tvOS, and watchOS.[8] iOS formerly also powered iPads until iPadOS was introduced in 2019 and the iPod Touch line of devices until its discontinuation.[9] iOS is the world's second most widely installed mobile operating system, after Android. As of December 2023, Apple's App Store contains more than 3.8 million iOS mobile apps.