Netflix
I got a spam like email from AppStore saying I had purchased a premium package on Netflix-I did not. I confirmed my subscription level with Netflix. They told me to contact you
iPhone X
Question marked as
Top-ranking reply
If the only indication is from an email or text, be aware that it may be a phishing attempt to get you to log in to a site that appears to be Apple and divulge your password or credit card information. See: Recognize and avoid phishing messages, phony support calls, and other scams - Apple Support
and Identify legitimate emails from the App Store or iTunes Store - Apple Support
You can use the following to see what level you are subscribed to: See or cancel your subscriptions - Apple Support