Apple.com/bill
I have every month in bank statement payment for 4,49 and I have no idea what is it, I saw in purchases and it doseemos show anything
iPhone XR, iOS 13
Question marked as
Follow the steps in this article:
If you still can't find out what account has made the charges,
Contact apple by the link in that article.
or:
Contact Apple for support and service - Apple Support
Good luck!