iPhone application development is extremely popular nowadays. Today there are a number of reputed IT companies that have come up to help in the field of iPhone development. There are a vast number of interesting and interactive iPhone game apps for children and, also for adult’s person, such as Angry Birds for instance. The layouts and animation of this game are mind-blowing. The development process and trends have changed and the application development process has accommodated cross-platform development to make simultaneous applications for different platforms. Changes in platforms and smart phones have spawned a great number of developers. Focus is given to all sectors in the society and forms of business and entertainment. There are a lot of mobile app development firms who are capitalizing the growth of mobility. Nevertheless, the nature of applications in the future determines the success of these developers. The present iPhone app trends show that photo applications are extremely popular.