Note: [From the developer] App Store Expenses was discontinued because of recent changes in Apples .ipa file format. The applications does still work, but new apps will always show up as free. However, you can edit prices manually.
App Store Expense Monitor gathers all iPhone applications from your iTunes folder on your computer, reads out the price information and presents the total amount of money you spent on the Apple App Store.
Updated on Jul 28 2011