а вот тоже классное - новые гайдлайны для разработчиков приложений под iOS от Apple:

We view apps different than books or songs, which we do not curate. If you want to criticize a religion, write a book. If you want to describe sex, write a book or a song, or create a medical app. It can get complicated, but we have decided to not allow certain kinds of content in the App Store.