Consumable Consumable purchases In-App must be purchased every time the user downloads it. Once services such as fish food are generally used as consumables.
Non Expendable Unused In-App Purchase should only be bought once by the user. Services that do not expire or decrease with use, for example, a new race track for a game application, are usually sold as non-consumables.
Non-Renewing Subscription Previously, non-renewable In-App purchases were used for limited-duration services. An example of this is a magazine or newspaper that requires users to renew their own subscriptions. Non-renewing subscriptions may still be offered, but automatically renewing subscriptions are now preferred for the following reasons:
When creating an automatic renewable subscription, you can easily configure the various durations that you want to offer. Non-renewable subscriptions do not have this feature, so you must provide information in some other way. Since this is often done in the display name, you get a separate list for all possible durations. In contrast, auto-renewable subscriptions allow a single listing, where the user simply selects one of the durations that you offer.
Because a non-renewable subscription requires the user to be updated every time, your application must contain a code that recognizes when the subscription is due to expiration. He also needs to buy a new subscription. An auto-renewable subscription eliminates these steps.
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