http://www.letmedefine.com/apples-app-store-subscription/
Apple has announced the ability for developers to create applications that users can pay a subscription. Now with this feature users will be able to shop and purchase subscriptions through the iPhone, iPod, iPad app while apple will take 30% of the value of the transaction because it is a service provider. Subscriptions are available in a range of options such as weekly, monthly, every two months, every quarter, half and yearly.