We are unable to cancel or refund the sub for you since all of our payments are handled by Apple/Google. See below for more info on how to cancel the sub yourself or get a refund.
Google Play Store: https://support.google.com/googleplay/answer/7018481
Apple App Store: https://support.apple.com/en-us/HT202039
If no sub is found then you are on a trial and it will auto cancel.