In order to cancel your recurring subscription, head to Nord Account. There, you will find the section as depicted in the image below. Please make sure to follow the necessary steps as is instructed there until you get a confirmation that your auto-renewal has been canceled.
For subscriptions made through the Play Store, please check our article about subscription cancellation.
For subscriptions made through the App Store, please check our article about iTunes subscription cancellation.
If you are having troubles, do not hesitate to contact our Customer Success agents and they will do their best to help you out!