The top non-game iOS apps (and many game apps) share a common feature: they connect to the network to share information, collect new content, make in-app purchases, or extend a web-based service. But writing these apps requires some special skills.
We'll get you started into iOS network programming by examining the classes you'll need and open source libraries to get you started. We'll also touch on the issues of performance, testing, and securing your app.
Network Programming Overview for iOS
Richard Clark, M.A. (@rdclark) manages Kaazing University and is an experienced software developer and instructor. He has taught for Apple and Hewlett-Packard, written immersive simulations, developed multiple high-performance web applications for the Fortune 100, and has published Apple iOS applications.