Apple’s proprietary mobile OS for iPhones and iPads Created by Apple iOS is a mobile operating system developed by Apple Inc. and distributed exclusively for Apple hardware. It is the operating system that powers iPhone, iPad and iPod Touch.Each main version of iOS / iPhone OS has introduced a big, main feature of the new version.- iPhone OS 1 was the original “iOS”, and had only first-party Apple, preinstalled apps such as “Phone”, “iPod”, and “Safari”.- iPhone OS 2 introduced the App Store that we know today.- iPhone OS 3 added in copy and paste functionality, several Google-licensed apps (Maps and Youtube), as well as basic tethering functions.- iOS 4 brought in multitasking and Wallpaper-changing. iOS 4 also dropped the original iPhone from it’s supported devices, and the iPhone 3G held limited support.- iOS 5 introduced several new features, such as iMessage, Newsstand, Reminders, Twitter integration, iCloud, and a beta of Siri.- iOS 6 fully released Siri and Siri Eyes Free, brought in Passbook and Facebook integration, as well as Apple-sourced maps instead of Google sourced, marking the removal of the Youtube app as well.- iOS 7 held a massive design overhaul, turning skeumorphic into modern and flat. Also brought in a “Control Center” which offered a quick-access area for commonly used features (flashlight, wifi on/off, bluetooth on/off, calculator app, etc.).- iOS 8 introduced the Health App, which enables data-mixing from all kinds of fitness apps, from MyFitnessPal to Misfit. iMessages gained voice messaging, and Indoor Mapping with the iPhone 5S, 6, and 6+’s M7 and M8 coprocessors.- iOS 9 introduced a new multitasking features on iPad, new Notes features, the iCloud Drive app, HomeKit integration, Apple Maps improvements.- iOS 10 incorporated changes to 3D Touch and the lock screen. There were new features to Messages, Maps, Photos and Siri.
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iOS
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 2 |  |
Tizen OS | Linux | Free | Website | |
| 3 |  |
HarmonyOS | Linux Android |
Free | Website | |
| 4 |  |
Replicant | Android | Free | Website | |
| 5 |  |
KaiOS | Android | Free | Website | |
| 6 |  |
/e/ | Android Tablet Android |
Free | Website | |
| 7 |  |
Fairphone Open | Android | Free | Website | |
| 8 |  |
webOS Open Source Edition | Linux | Free | Website | |
| 9 |  |
Sailfish OS | Self-Hosted | Free | Website | |
| 10 |  |
Android | Android Android Tablet Android Wear |
Free | Website | |
| 11 |  |
Ubuntu Touch | Linux | Free | Website | |
| 12 |  |
Plasma Mobile | Linux | Free | Website | |
| 13 |  |
QtMoko | Discontinued | Self-Hosted Linux |
Free | Website |
| 14 |  |
Astian OS | Self-Hosted | Free | Website | |
| 15 |  |
OxygenOS | Android | Free | Website | |
| 16 |  |
B2G OS | Discontinued | Self-Hosted | Free | Website |
| 17 |  |
LineageOS | Android Tablet Android |
Free | Website | |
| 18 |  |
MIUI | Android | Free | Website | |
| 19 |  |
ColorOS | Android | Free | Website |