Subscribed from within the iOS or Android app?
You can cancel the subscription through your iTunes or PlayStore settings. Neither Apple nor Google allow developers to access their users' subscription settings, so unfortunately we can't cancel it for you. You can find details about how to deactivate the upcoming subscription's auto-renewal function through the following links:
If you're currently within a trial, you can opt-out via your subscription settings
Subscribed through the Website?
You can cancel your subscription in your account settings.