If you see 'apple.com/bill' on your billing statement
Apple.com/bill appears on your billing statement when you buy an app, music, movie, or other content from Apple. It also appears when a subscription renews and when a family member buys apps or content from Apple.
How to see what you were charged for
To see your purchase history, go to reportaproblem.apple.com.
Sign in with your Apple ID.
A list of purchases appears. To see family members' purchases, select the Apple ID button and choose a family member.
To see the full receipt including tax, tap or click the date. Multiple purchases, including subscriptions, might be grouped onto one charge.
If the charge is for a subscription that you no longer want, you can cancel the subscription.
If you still can't identify the charge
Can't find a matching charge at App Store Support? Find out if you used another account to make a purchase.
Search your email for the words “receipt from Apple.”
Look for a receipt that matches the amount that you see on your billing statement.
On the receipt, see what was purchased and which Apple ID was used