Unknown purchase
I got receipt for unknown purchase order, please check it and cancel it before usiy visa details
iPhone 6, iOS 12
This is a user-to-user support forum
If the only indication of the charges 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: Avoid phishing emails, fake 'virus' alerts, 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 instructions to determine if it is a real charge, what it is for, and to report a problem: Request a refund for an App Store or iTunes Store purchase - Apple Support
Also see: If you see 'itunes.com/bill' or an unfamiliar charge on your statement - Apple Support