Steps to cancel a Google Play subscription, for more information you can visit the following link: Subscription
Note: Uninstalling an app will not cancel your subscription.
Cancel a subscription on play.google.com on a computer:
On a computer, go to your Google Play subscriptions.
On the subscription you want to cancel, click Manage.
Click Cancel Subscription.
In the confirmation pop-up, select a reason.
Click Continue.
If you have a subscription to an app and the app is removed from Google Play, your subscription will be cancelled from that point on. Previous payments for that subscription cannot be refunded, with some exceptions described in this article and in Google Play's refund policies.
Cancel a subscription on play.google.com on Android:
Check subscriptions and their billing dates.
Go to your subscriptions.
On an Android device, follow these steps:
Open the Google Play Google Play app.
In the top right, tap the profile icon.
Tap Payments & subscriptions and then Subscriptions.
Under 'Subscriptions', check the list of subscriptions to see subscriptions that have ended or have not been renewed because the payment method was declined.