You can cancel using the following method. iOS version
iPhone, iPad:
1. Select Settings > iTunes & App Store.
2. Tap your Apple ID at the top of the screen.
3. Tap View Apple ID.
4. Under Subscriptions, tap Manage.
5. Tap the CASIO ClassPad.
6. Tap Cancel Subscription to cancel your subscription. If you cancel, your subscription will stop at the end of the current billing cycle.
Procedure from PC:
1. Open iTunes.
2. From the menu bar at the top of your computer screen or at the top of the iTunes window, select Account > View My Account.
3. Scroll to the Settings section.
4. To the right of Subscriptions, click Manage.
5. Click Cancel Subscription to cancel your subscription. If you cancel, your subscription will stop at the end of the current billing cycle.
6. Click Edit to the right of the subscription content that you want to manage.
