IPhone is the highest selling smartphone in the world. Its marketplace-App store has large volume of applications though there are demand persists for more applications development. with the advent of iPhone version its scope of utility is increasing, people see more and more opportunities in the usability of the iPhone applications and demand more customized and more complex applications for their various purposes.
People are smart they instead of giving their project on contract basis hire iPhone app developer and get their development as per their wish. You can click this link if you are looking for iPhone app developers.
It is true that all outsourcing companies are not good and all developers are not capable to manage your project so you have to check that whether the company has good reputation in the market and working for longer period.
Volume of their portfolio indicates that they handle more projects. Their good skilled resources and good testimonials indicate that they are able to satisfy their clients by providing good quality, finish work within given time line, and have good communication ability with the clients.
Usually when you hire iPhone app developers you expect some expertise like they should be familiar with Objective C, C++ languages and tools like X-code, iPhone SDK, Cocos2d, unity 3D, Core animation, Core images, etc.