I have received a bill dated August 26 for an item that I don’t remember. I recently deleted the app reinstalled it. Are you billing for a prior date ?

See the following Apple articles:

View your purchase history for the App Store, iTunes Store, and other Apple media services

View your purchase history for the App Store, iTunes Store, and other Apple media services - Apple Support

How apps, content, and subscriptions from Apple are billed

How apps, content, and subscriptions from Apple are billed - Apple Support

If you want to cancel a subscription from Apple

If you want to cancel a subscription from Apple - Apple Support

If you see an unexpected charge

You can request a refund* for a purchase that you don't recognize, but you must pay for the purchase first. You can also cancel a subscription if you don't want to continue it.

*You must request the refund within the refund period.

Refunds are not guaranteed. For more information, see the Terms & Conditions.

❗️ Identify legitimate emails from the App Store or iTunes Store

Identify legitimate emails from the App Store or iTunes Store - Apple Support