Most independent developers have one common issue with submitting their apps to the app store, and that is exporting their app icon designs into the right sizes. Thankfully, Danish designer Michael Flarup has designed a template that saves developers from all kinds of trouble. I’ve used it for all my apps and it is extremely easy to use. Here is an instructional video to get you up to speed:
All you need is photoshop to save you a lot of trouble.