Apps will be able to use three discount models, allowing customers to access a subscription for free for a specific duration, pay a promotional price each billing period, or pay a one-time promotional price -- Apple already uses such incentives with its own Apple Music subscribers. Developers will also be able to offer up to 10 active offers per subscription to test which work best. This added flexibility will be available with the latest beta versions of iOS 12.2, macOS 10.14.4 and tvOS 12.2, using the StoreKit API. While it's just in beta right now, it seems likely these changes will go live to everyone when these software updates are fully released.

Apple began offering its current app subscription model a few years ago. Apple takes a 30 percent cut of revenue from apps in their first year, but apps that keep customers subscribed for more than a year only have to cough up 15 percent. So, keeping subscribers hooked with these added incentives could prove to be a boon for developers, even if they have to offer discounts in the short term.