Turn Off an Alexa In-Skill Subscription
Use the Alexa app to turn off in-skill subscriptions. You can choose between two options: Turn off Autorenew or End Subscription.
- Open the Alexa app 
.  - Open More 
 and select Skills & Games.  - Select Your Skills, then select the app with the subscription.
 - Select Manage Subscriptions.
 - If prompted, sign in to your Amazon account.
 - Turn off Autorenew or select End Subscription.