Follow the steps below to cancel your Amazon Fire TV Boomerang subscription.
- Click here, or navigate to www.amazon.com and log into the Amazon account that you used to create your Boomerang subscription.
- Select "Account & Lists", and then select "Memberships and Subscriptions" from the drop-down menu.
- Locate "Apps, Appstore Subscriptions" from the subscription list. You may need to scroll to the right to view it.
- Locate Boomerang from the list, and locate "Action" to the right.
- Select "Action", and then "Turn off auto renewal" from the drop-down menu.