
The release of iphone in January 2007 spelled an instant success in the smart phone genre. With loads of innovative features and a multi-touch screen, iphone includes other features including a virtual keyboard, Wi-Fi, GSM, EDGE, UTMS, and 3G modules. Standard set of applications include YouTube browser, Google maps, iTunes store, weather forecast, calendar and many more. This new handset proved to be a revolutionary change in the mobile phone world.The iphone operating system is based on Mach operation system microkernel. This operating system includes a new software component which is used by iphone application development experts. The iphone carries a liberated application development policy. Developers can use applications supplied by both ...