These smart phones are expensive but the features associated with them attract the mobile users. There are many applications that are developed for smart phone such as iPhone, iPad, Android and Black Berry etc. All the iPhone users download several applications of which 90% users download face book application, 70% individuals download photsynth application, 65% people download Drop box, 60% download skype, 30% has downloaded weather channel for their iPhone, and 10% have downloaded Google search to get related information.
These applications are more famous and there are many companies emerging in the market to develop applications for iPhone users.