If you have difficulties canceling your subscription, please reach out to Google for further assistance, 855-836-3987. Or you may visit this Google Play page here.
To cancel the subscription billed via Google Play using Android devices, you may need to do the following:
1. Open the Play Store App on your phone or tablet.
2. Tap the Menu button (three horizontal lines), in the top-left corner of the interface.
3. Tap on the “Subscriptions” option found halfway down the list.
4. Find the relevant subscription in your list, and then tap Cancel.