A subscription bought on Android is canceled through Google Play, or we can cancel it for you.
Cancellation
On the Play Store
Cancel your subscription directly from the Google Play Store:
Go to play.google.com.
Check that you’re signed in to the correct Google Account.
On the left, select My subscriptions.
Select the subscription you want to cancel.
Select Manage > Cancel Subscription.
With our help
Send us a message to request cancellation through the app's Settings > Contact Support.
Canceling stops the next renewal but doesn't refund past payments.
Refund
To request a refund, use Google Play's refund request form, or contact us from Settings > Contact Support in the app.