hire ios app developers in USA with Zazz. We have been helping global businesses build successful mobile Apps since long by offering highly skilled, affordable, and reliable iOS app development services. One of the most important steps in developing a mobile app is choosing the platform. There are a number of American app development companies focusing on offering services for iOS, Android and Windows devices. In this article, you will find information about these three platforms as well as the resources that are needed to develop an application for each.