The operating system on which the work cult device from the US company Apple - iPhone and the iPad. These devices are not only very comfortable and thought out for use by ordinary users and professionals around the world, and are trend setters in the mobile world. Online store applications for these devices (AppleStore) appeared the earliest and the largest to date.
Android is a mobile operating system (OS) currently developed by Google, based on the Linux kernel and designed primarily for touchscreen mobile devices such as smartphones and tablets. Android's user interface is mainly based on direct manipulation, using touch gestures that loosely correspond to real-world actions, such as swiping, tapping and pinching, to manipulate on-screen objects, along with a virtual keyboard for text input. Variants of Android are also used on notebooks, game consoles, digital cameras, and other electronics.
Windows Phone (WP) is a family of mobile operating systems developed by Microsoft for smartphones as the replacement successor to Windows Mobileand Zune.Windows Phone features a new user interface derived from Metro design language. Unlike Windows Mobile, it is primarily aimed at the consumer market rather than the enterprise market. It was first launched in October 2010 with Windows Phone 7. Windows Phone has been succeeded by Windows 10 Mobile, with the Windows Phone name being phased out in favor of branding the platform as an edition of Windows 10.