CUPERTINO, Nov. 5 -- Canceling an app subscription can now come with a final pitch from the developer. Apple has made retention messages available for auto-renewable App Store subscriptions, allowing apps to display a reminder, an image or a special offer before a customer confirms the decision to leave.

The feature does not remove the cancellation option. Apple's documentation says subscribers can continue by tapping Cancel Subscription on the confirmation page. They can also keep the subscription or, when an eligible offer or alternative plan is displayed, choose that instead.

Apple announced availability on November 4, turning a feature discussed at its developer conference into a new tool for subscription businesses. The practical c...