Follow these steps to cancel your subscription:

- Open the App Store app.
- Tap on your Apple ID (your profile picture).
- Tap on "
- Look for 
Montessori Preschool and tap on the icon.
- Tap "Cancel subscription"

If you do not see this option, it is because your subscription is already canceled. In this case, you should see an option to re-subscribe.

You may also manage your Apple subscriptions directly from any computer from the official Apple 
step-by-step guide.