To cancel the automatic renewal, all you need to do is unsubscribe.
You can do this at any time easily. Your subscription will then end on the subscription expiry date.
How do I unsubscribe?
If you purchased a 6 months subscription from your Apple account, we invite you to read this article:
If the 6 months subscription was purchased via GooglePlay:
If you have a monthly or annual subscription purchased on our website: