Go to the Amazon site and log in with your Amazon account. Hover the mouse over the “Your Account” section, From the dropdown select → Membership & Subscriptions
Select “App Subscription Settings” of the respective plan to proceed with the cancelation
Select the “Actions” drop-down and choose “Turn off auto-renewal”
Select the “Turn off auto-renewal” button
Please select the reason for subscription cancellation and select “Continue to cancel” to complete the process
To re-subscribe the plan, click on the “Actions” drop-down and select “Turn on auto-renewal”