How to cancel a subscription
The subscription is between you and the App Store. Only you can cancel a subscription.
1. Launch the Settings app.
2. Tap iTunes & App Store.
3. Tap on the top line that says: “Apple ID: ***********@mail.com”.
4. On the pop-up screen, tap View Apple ID.
5. Enter your Apple ID password or fingerprint ID when prompted.
6. Tap Subscriptions.
7. Tap the Subscription you want to cancel.