Apple yesterday introduced updated App Store Guidelines, which bring a much-desired feature that both developers and customers have been wanting for some time — free trial options for all apps.
A modified 3.1.1 rule in the guidelines says that apps are now able to offer a free time-based trial period using no-cost in-app purchase options that will temporarily unlock app functionality.
Källa: Free Trials for All Paid Apps Now Possible Thanks to Updated App Store Guidelines
