''The Complete Idiot's Guide[registered] to Developing iPhone[trademark] Apps'' is the perfect introduction for aspiring iPhone[trademark] app creators, offering a step-by-step approach exploring all of the tools and key aspects of programming using the iPhone[trademark] software development kit, including getting the finished product distributed through the App Store. Apple also reports more than one billion downloads of their more than 25,000 available applications, and both the number of applications and the appetite for them keeps growing. Of the more than 50,000 companies and individuals who have registered as program developers, 60 per cent have never before developed an Apple platform.