I would like to cancel my subscription

In order to cancel your auto backup subscription, please follow the instruction below: 

1. Access Settings in the home of your device.
2. Scroll down and tap iTunes Store and AppStore.
3. Tap your e-mail and Apple ID, View Apple ID and enter your password.
4. Now, tap Subscription - Manage and select the app.
5. Turn off the auto-renewal option and tap Done.