Starting a few months ago, we noticed that we are receiving sign-ups to our application using Sandbox accounts. These accounts were not created by us, and certainly do not show up under Sandbox users on App Store Connect.
When we setup In App Payment, our server side validation followed the guidance to always allow sandbox receipts (see https://developer.apple.com/documentation/appstorereceipts/verifyreceipt).
I think we assumed that only Sandbox users that we setup in App Store connect would be allowed to be used with our app. Another assumption was that Apple reviewers could create Sandbox accounts to use to test our IAP sign-up during app review.
How are other developers preventing fraudulent sign-ups from sandbox accounts? Has something changed with In App Payments this year related to sandbox accounts?
asalvotr
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On May 9th the new Global Pricing goes into effect. Looking in App Store Connect for the pricing for our app (Pricing and Availability) I see Prices and Upcoming changes. Every link I click on in those tables shows be a $0.00 price.
I've submitted a ticket to support, but wanted to see if anyone else was experiencing the same?
I was also wondering if anyone knows if customers who see a price increase due to the normalization of prices, will need to opt-in to the new price. Both now, and when Apple re-normalizes prices in the future.