Does an In App Purchase's Product ID have to begin with a Reverse-DNS?
Does an In App Purchase's Product ID have to begin with a Reverse-DNS like com.mycompany.My_Awesome_Game.Level_Pack_1 or can it just be standalone like Level_Pack_1 ? Julio Gorgé Product IDs can be whatever you want, although it is recomend you follow the reverse domain name style. But in the end there's no restriction over the naming of your product IDs. It also does not need to use your app bundle ID as a prefix. From the source : Q: I am implementing In App Purchase and must register my product identifiers. What are product identifiers and how do I create and use them in my application? A: