IPod Touch support iOS 9, along with other A5 devices. This makes the iPod Touch fifth generation the first iPod Touch to support four major versions of iOS. Recent iOS updates have been free for owners of supported iPod Touch models, but Apple received criticism for charging iPod Touch owners for versions 2.0 and 3.0, which iPhone owners received for free, and for excluding certain features from the iPod Touch software that the iPhone included. Apple's position was that they could add features for free to the iPhone because the revenue from it is accounted for on a subscription basis under accounting
IPhone be accessed by a hardware button below the screen on all models expect for the iPhone X where the user must swipe up. The original iPhone contained the following apps: Messages (SMS and MMS messaging), Calendar, Photos, Camera, YouTube, Stocks, Maps (Google Maps), Weather, Voice Memos, Notes, Clock, Calculator, Settings and iTunes (store). The App Store was introduced for the iPhone 3GS and iPhone 4. Compass, FaceTime and GameCenter were added in iOS 4 and 4.1 respectively. In iOS 5, Reminders and Newsstand were added, and the iPod application was split into separate Music and Videos applications. iOS 6 added