Android iPhone Meego WebOS BlackBerry OS 6.5 Kernel Type Darwin Symbian Linux Windows CE 5.2 Linux Java Platform Age Adolescent Adolescent Mature Mature Mature Young Mature Manufactures HTC, LG, Apple Nokia, Sony Nokia, Intel HTC, HP, LG, Palm BlackBerry Motorola, Ericsson, Fujitsu, Samsung, Asus, Samsung, ASUS, Mitsubishi, Sharp Toshiba, Sharp Garmin, Sony Ericsson, Toshiba Firmware OTA, SD Card Tethered Tethered, OTA Tethered, OTA Tethered, OTA OTA Tethered, OTA updates Platform Yes Yes No Yes No Yes No upgrades CPU ARM, MIPS, ARMv6, ARMv7-A ARM, x86 ARM, x86 ARM, MIPS, SH-3 ARM ? PowerPC, x86 Wireless GSM/EDGE, GSM/EDGE, GSM/EDGE, GSM/EDGE, GSM/EDGE, GSM/EDGE, GSM/EDGE, Technologies IDEN, CDMA, EV- UMTS, BT, WiFi, CDMA, UMTS, CDMA, UMTS, UMTS, CDMA, UMTS, CDMA, UMTS, CDMA, DO, UMTS, BT, WiFi, BT, IR, WiFi, BT, IR, BT, IR, WiFi, BT, WiFi, BT, WiFi, WiFi, Wimax Tethering Tethering WiMAX, Tethering Tethering Tethering Tethering Screen Capacitive Capacitive Resistive / Resistive / Resistive / Capacitive Capacitive Technology Capacitive Capacitive Capacitive Notification Tray Pop-up Pop-up Tray, pop-up, Tray, pop-up Tray Pop-up, Style background background Platform Excellent Poor Excellent Excellent Excellent Excellent Good Adaptability Input Methods Virtual Keyboard, Virtual Keyboard Virtual keyboard, Virtual Keyboard, Virtual keyboard, Virtual Keyboard, Virtual Keyboard, physical T9, and triple tap; physical T9, character physical physical keyboard character keyboard recognition, keyboard keyboard recognition; physical physical keyboard keyboard External Yes Yes Yes Yes Yes ? ? keyboard UI Skinning Yes (unofficial) Yes (unofficial) Yes Yes Yes No Yes UI Consistency Excellent Excellent Poor Good Poor Excellent Good Ease of use Excellent Excellent Good Good Good Excellent Poor Android iPhone Symbian Meego Windows Mobile WebOS BlackBerry OS 6.5 Contact Exchange, Exchange, Exchange, Exchange, Exchange, Exchange, BES, BIS Intregation / ActiveSync, Mac Domino, ActiveSync, Domino, Synegy Management OS Address Book BlackBerry, SyncML (USB & BlackBerry, SyncML (USB, BT), OVI ActiveSync BT, IP), iSync, OVI First-party Exchange Exchange Exchange, Exchange Exchange, Exchange BlackBerry Enterprise Domino, Domino, Support BlackBerry BlackBerry App Availability High High Medium Medium High Low Medium File Good Poor Good Excellent Excellent ? ? management Intregated Office Third party Read Only Bundled Bundled Excellent Read Only Read Only Suite support Yes No Yes Yes Yes ? ? Global search No Yes Yes Yes Yes ? Yes Multitasking Yes Yes True multitasking True multitasking True multitasking Yes ? Copy / Paste Yes Yes Yes Yes Yes Yes Yes Media Support / Good, Amazon Excellent, iTunes Poor, OVI Poor, OVI Poor, Windows Good, Amazon Poor Ecosystem Media Player Official App Yes Yes Yes Yes Yes Yes Yes Store Open Source Yes No Yes Yes No No No SDK Availability Yes Yes Yes Yes Yes Yes Yes C/C++, Java Objective-C C/C++, Python, C/C++, C/C++, Python, C/C++ ? J2ME, Flash Lite, Objective-C, J2ME, .NET CF, Ruby, .NET CF, Python, Ruby, Basic Silverlight, Web Bash, Mono Runtime (WRT) Browser Engine WebKit WebKit WebKit Gecko Internet Explorer WebKit Proprietary Flash Yes No Yes (Lite) Yes Yes (Lite) Yes Yes On-Device App Excellent Excellent Good Good Good Excellent Good Management