In order to cancel your subscription:
1. Please click "MORE" on the bottom right of the app.
2 .Select Settings
3. At the bottom of the screen select "Subscriptions"
This will take you to the Google Play page where you will be able to cancel your subscription:
Cancel my Google Play Subscription
If you would like to request a refund for your Google Play Subscriptions Contact support
If your subscription is not through Google Play, click here: Canceling my in-house subscription