If you have not added payment method to Apple ID to purchase app or subcribe in app purchase, please read the instruction below. Before you add your payment information, make sure that you have the latest version of iOS. Go to Settings
View a list of the apps, songs, movies, TV shows, books, or other items that you bought with your Apple ID. After you buy content from the App Store or iTunes Store, or make other digital purchases with your Apple ID,
If you've been trying out Apple's News+ subscription, TV apps, like STARZ or HBO GO, or music subscription services like Pandora Premium, but you want to cancel before you get charged, it's simple to cancel in just a few steps.