Any issue with purchase needs a copy of your purchase receipt or ORDER ID for customer support to help with your purchase concern. Please refer to below links to locate your purchase history.
Google : https://support.google.com/store/answer/6160235?hl=en
Apple : https://support.apple.com/en-us/HT204088
If you are unable to locate your receipt, please feel free to send us support ticket about your concern and we will try to resolve it as soon as possible.