Limits of Xcode StoreKit Testing vs App Store Sandbox for subscription flows
I'm designing the purchase-testing strategy for an iOS app with auto-renewable subscriptions and want to rely on Xcode's local StoreKit Testing (a .storekit configuration file attached to the scheme) for as much coverage as possible, reserving the App Store Sandbox with sandbox Apple IDs for what genuinely needs Apple's servers. My understanding is that the
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