ios - How to create unscubscribe functionality to let user unsubscribe from in-app subscription purchase? -

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i building code let user subscribe in-app purchase subscription.

but not see tutorials or examples (even official site) let user unsubscribe. please point me tutorial this, or please explain how users can unsubscribe in-app subscriptions?

thank you@

that not possible. users have go itunes , set subscription not auto-renew themselves.


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