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Ok, I have this issue 90% of times.

  1. The user clicks the CTA button in the app
  2. Apple payment button is shown enter image description here
  3. The user subscribes
  4. Then it seems everything has gone OK enter image description here
  5. I get no error in the console, no report — nothing
  6. then the Apple payment button pops up again enter image description here
  7. If I don't put the password and if I don't subscribe the second time, the IAP will be unsuccessful.

I'm using this flutter plugin for IAP: https://pub.dev/packages/flutter_inapp_purchase. I also reported it there: https://github.com/dooboolab/flutter_inapp_purchase/issues/318 but no one has picked it up.

I'm wondering whether it may be an iOS issue that many users are experiencing these days, besides the Flutter plugin?

maybe related: What do I need to do once I request IAP (in-app purchase)?

Tomas Baran
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    I've seen the same issue on apps with native implementation. Didn't find a solution though... I've opened a ticket on https://feedbackassistant.apple.com/ a few months ago but didn't get any solution. – romainsalles Nov 16 '21 at 12:53

1 Answers1

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It seems it's a bug on Apple side that happens only during the testing with Sandbox testers: https://developer.apple.com/forums/thread/14088

Apparently, it's nothing to worry about since this issue should not persist when uploaded for production use.

Tomas Baran
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    I confirm this issue doesn't persist in production. The inconvenient thing is you'll have to recreate new test users every time. – romainsalles Nov 22 '21 at 11:25