Delete all the active subscription. I am not using any subscription.
How to check or cancel subscriptions:
Request a refund for apps or content that you bought from Apple:
Hope this helps
How to delete an active subscription on my iPhone?
Sorry if I the reply above didn't help. Perhaps there is something I'm not understanding ?
Did you click on the first link above, and follow the steps to cancel the subscription on your iPhone ?
If so, what happened ?
If the active subscription was not listed, try this info on this link:
Or, is cancelling the subscription(s) (so you don't get more) not what you want to do ?
(or are the subscription(s) not from Apple, iTunes etc ?)
Perhaps others may post a reply, maybe I just don't "get it".