If you have purchased ON1 360 through the Apple App Store, you must cancel from the Settings app on your Apple Device.
How to cancel a subscription on your iPhone or iPad
- Open the Settings app.
- Tap your name.
- Tap Subscriptions.
- Tap the subscription.
- Tap Cancel Subscription. You might need to scroll down to find the Cancel Subscription button. If there is no Cancel button or you see an expiration message in red text, the subscription is already canceled.
See this article from Apple for more information on canceling your subscription: https://support.apple.com/en-us/HT202039