We offer a monthly subscription and an annual subscription with a 3-day free trial.
Most of our trial users are not converting. They don't cancel — auto-renew stays on, Apple attempts the charge, and it fails with a billing error. The subscription goes into billing retry instead of converting.
Our monthly product converts fine. Only the annual with the trial is failing.
We've audited our implementation. We use an introductory offer only — no promotional offers, no signatures, no StoreKit configuration overrides. The initial purchases all complete successfully in the payment sheet. Nothing on our side participates in the renewal charge.
Two questions:
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Has anyone seen this pattern, and is there anything on the developer side that can influence it?
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What actually happens to these subscriptions? Does Apple eventually collect and we get paid, or is this revenue simply lost? What percentage typically recovers during the billing retry period?