Simple Market Invoice 1.0

This App will make your grocery shopping on the budget.
Very easy to dynamically create an invoice even before the checkout, it can verify the product history for the product that you have scanned the barcode previously.

Main Features
- Designed to be easy and quick to create the invoice items.
- Easy way to quick add/remove items in the invoice.
- Easy Calculator to sum the total value from the purchase events.
- OCR feature to read the receipts image after the checkout.
- Track the Product Barcode Price history.