To cancel your subscription, follow these steps on your iOS device:
Open the Settings app.
Tap your Apple ID (your name at the top), then select iTunes & App Store.
Tap your Apple ID again at the top of the screen.
Choose View Apple ID (you may need to sign in or use Touch ID/Face ID).
Tap Subscriptions.
Select the subscription you want to manage and tap Cancel Subscription.
Tip:
If you don’t see the subscription listed but are still being charged, double-check that you're signed in with the correct Apple ID—you may have more than one.