In order to submit applications to the iTunes store, you must first pay to become a member of Apple's iOS Developer Program. Membership is paid and starts from $99 USD (or equivalent), recurring annually. Even if you intend to develop and distribute your apps for free, you will still need to be a paid member of the iOS Developer Program. It is worth noting upfront that only OS X users can follow and implement the steps for the iOS recipes—building and distribution of iOS apps is available only to those who run the OS X operating system.
To register for Apple's iOS program, first open a web browser and navigate to http://developer.apple.com/programs/register. Click on the Get Started link. The page that loads next will ask you whether you want to create a new Apple ID or use an existing one. Unless you have registered for some of Apple's developer services earlier, you should choose the Create New Profile link.
Once you are on the Create Profile...