How can I cancel? (Registered from Amazon Fire TV)

Please access your Amazon account and follow the steps below to cancel:
1. Go to https://www.amazon.com/appstoresubscriptions and sign in using your Amazon account credentials
2. Navigate to Your Account → Apps and more → Your Subscriptions, find Jme, then click "Action" on the right side and select "Turn off auto-renewal"
On this page, you can also update your payment information and check your payment history.