iOS (formerly iPhone OS) is a mobile OS created and developed by Apple Inc. exclusively for its hardware. it’s the OS that powers many of the company’s mobile devices, including the iPhone and iPod Touch; the term also included the versions running on iPads until the name iPadOS was introduced with version 13 in 2019. it’s the world’s second-most widely installed mobile OS , after Android. it’s the idea for 3 other operating systems made by Apple: iPadOS, tvOS, and watchOS. it’s proprietary software, although some parts of it are open source under the Apple Public Source License and other licenses.
Unveiled in 2007 for the first-generation iPhone, iOS has since been extended to support other Apple devices like the iPod Touch (September 2007) and therefore the iPad (January 2010). As of March 2018, Apple’s App Store contains quite 2.1 million iOS applications, 1 million of which are native for iPads. These mobile apps have collectively been downloaded quite 130 billion times.
Major versions of iOS are released annually. the present stable version, iOS 14, was released to the general public on September 16, 2020. It brought many interface changes, including the power to put widgets on the house screen, a compact UI for both Siri and phone calls, and therefore the ability to vary both the default browser and email apps. No devices were dropped, as all devices supported by iOS 13 are ready to run iOS 14.
The ASCII text file has been wont to develop variants of Android on a variety of other electronics, like game consoles, digital cameras, portable media players, PCs et al. , each with a specialized interface . Some documented derivatives include Android TV for televisions and Wear OS for wearables, both developed by Google. Software packages on Android, which use the APK format, are generally distributed through proprietary application stores like Google Play Store, Samsung Galaxy Store, and Huawei AppGallery, or open source platforms like Aptoide, Cafe Bazaar, F-Droid, GetJar, SlideME.
Android has been the best-selling OS worldwide on smartphones since 2011 and on tablets since 2013. As of May 2017, it’s over two billion monthly active users, the most important installed base of any OS , and as of January 2021, the Google Play Store features over 3 million apps. the present stable version is Android 11, released on September 8, 2020.