StackSocial offers downloads of Udemy's Master iOS Programming Course for Mac for $47. That's $50 off and the best price we could find for such a course. This online course teaches you the entire iPhone Apps development cycle from start to finish, how to develop and publish your own iPhone apps and games on the App Store, which type of Apps are making money, how to setup your own independent iPhone development studio, and more. It features 58 lectures, 14.5 hours of actionable instruction, and more. Deal ends January 22.