We know life gets busy, so we've made it easy for our users to seamlessly continue their service with auto-renewing subscriptions.
If you would like to stop the subscription from renewing, you can easily cancel your subscription and stop renewing payments on your Google Play account.
- On your Android phone or tablet, open the Google Play Store .
(Make sure that you are signed in to the correct Google Account)
2. Tap Menu 
Subscriptions.
3. Select the subscription you want to cancel and tap Cancel subscription:
5. Share the reason for the cancellation:
6. Tap “Cancel Subscription”:
For more information, visit Google Support page - https://support.google.com/googleplay/answer/7018481
NOTE: Uninstalling the app or deleting your Magisto account will not automatically stop your subscription. You must cancel your subscription to end and stop renewal payments.