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For a free app downloaded from the app store, whether there is a receipt as soon as the app is opened.
I'm developing an preOrder reward feature.For a free app downloaded from the app store, whether there is a receipt as soon as the app is opened. When the player makes an appointment to download the app officially, the reward will be issued. I want to know Can I get a receipt,If I can't ,so refresh the receipt ,it will pop the Apple ID login alert,This's unfriendly.
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Jul ’20