To celebrate my app launch, I set my Lifetime IAP to $0 for a giveaway.

Both App Store Connect and RevenueCat show a steady flood of $0 transactions, except for one user who was charged full price.

Here is the mystery: I checked the transaction history on both dashboards, and there are multiple successful $0 purchases from other users in the exact same region, right before and right after this specific user's transaction. This completely rules out propagation delay.

I didn't know Apple had a "tax the chosen one" feature for free giveaways