Develop a Mac Application for iTunes

General information for the business: We sell Powerpoint templates and Keynote Themes Kind of development: New program from scratch Description of requirements/functionality: We need a Mac OS application with in-app purchase functionality to sell digital goods (Keynote themes). All Keynote themes will be created by myself and uploaded to iTunes Connect. Here are the examples: [login to view URL] [login to view URL] The application will be developed using StoreKit framework and its classes. The StoreKit framework provides classes that allow an app to request payment from a user or content that your application delivers. The application will use StoreKit to receive information from the server (iTunes) about products we want to offer in our application. The application displays this information to users and allows them to purchase items. The products (Keynote Themes) will not be included into the app bundle. All products (Keynote themes) and their metadata will be kept on server (iTunes Connect). Products (themes) will be downloaded from server when user will make a purchase. Apple provides server (iTunes Connect) with a space where you can store your digital goods with their metadata. Adding or updating themes and their metadata doesn't require to rebuild the app. For example you can change the price or description of your digital goods without modifying your app.