  | |
|---|---|
 Android 2.2 | |
| Company / developer | Google Inc., Open Handset Alliance |
| Programmed in | C (core),[1] C++ (some third party libraries), Java (UI) |
| Working state | Current |
| Source model | Free and open source software |
| Initial release | 21 October 2008 |
| Latest stable release | 2.2.1 (Froyo) Build: FRG83 / 23 September 2010[2] |
| Supported platforms | ARM, MIPS, Power Architecture, x86[citation needed] |
| Kernel type | Monolithic (modified Linux kernel) |
| Default user interface | Graphical |
| License | Apache 2.0 and GNU General Public License v2[3] |
| Official website | android.com |
 | |
|---|---|
| Company / developer | Samsung Electronics |
| Programmed in | C++ |
| Working state | Ready for public downloads |
| Latest stable release | 1.2.0 / October 04, 2010 |
| Supported platforms | ARM |
| Kernel type | proprietary or Linux |
| Official website | www.bada.com |
 | |
|---|---|
 iOS 4.1 on the iPhone 4 | |
| Company / developer | Apple Inc. |
| Programmed in | C, C++, Objective-C |
| OS family | Mac OS X/Unix-like |
| Working state | Current |
| Initial release | June 29, 2007 |
| Latest stable release | 4.1 (Build 8B117) For iPhone and iPod touch Released September 8, 2010 [+/−] |
| Latest unstable release | 4.2 (Build 8C134) For iPhone, iPod touch and iPad Released November 1, 2010 [+/−] |
| Available language(s) | Multilingual |
| Supported platforms | ARM (iPhone, iPod Touch and iPad) |
| Kernel type | Hybrid (Darwin) |
| Default user interface | Cocoa Touch (Multi-touch, GUI) |
| License | Proprietary EULA except for open source components |
| Official website | iOS Dev Center |
 | |
|---|---|
| Company / developer | Symbian Foundation |
| Programmed in | C++[1] |
| OS family | Mobile operating systems |
| Working state | development of the original Symbian OS code base has given way for an integrated development of the Symbian platform |
| Source model | open source available under EPL |
| Marketing target | Mobile devices |
| Supported platforms | ARM, x86 [2] |
| Kernel type | Microkernel |
| Default user interface | S60 platform, UIQ, MOAP |
| License | original code base was proprietary, transition to EPL started with Symbian OS 9.1, completed with the Symbian platform |
| Official website | defunct - see the website of the Symbian Foundation |
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