cancel your subscription:
Please follow the instructions here
1. Go to phone Settings > [your name] > iTunes & App Store.
2. Tap your Apple ID at the top of the screen.
3. Tap View Apple ID. You might need to sign in or use Touch ID.
4. Tap Subscriptions.
5. Tap the subscription you want to manage.
Use the options to manage your subscription. You can tap Cancel
Subscription to unsubscribe. If you cancel, your subscription will stop at
the end of the current billing cycle.
Please follow the instructions here.
1. Open the Google Play Store.
2. Tap Menu > Account > Subscriptions.
3. Tap on the subscription service you want to cancel.
Tap Cancel Subscription.
*Unsubscribing is handled by App Store / Google Play, please follow the above links for more information.