1. Open the settings icon.
2. Then we slide down the page to find iTunesstore and APPstore, and click to open them.
3. Then click on the AppleID above, and then click to view this ID. You can see that there are subscription options in the account settings. Let's click the subscription option.
4. Then you can see the application you subscribed to, and we click unsubscribe. Then click OK to confirm the cancellation of subscription.