Receipt capture subscription renews automatically unless you unsubscribe. Since the transaction/payment was made via your mobile store to view, change, or cancel your subscriptions you need to do it directly with them.
IOS: https://support.apple.com/en-us/HT202039
Android: https://support.google.com/googleplay/answer/7018481?co=GENIE.Platform%3DAndroid&hl=en