Abstract: An integrated purchasing system for mobile devices with coupon and discount locating functionality that enables a shopper to obtain discounts, coupons, and to purchase the goods and services of their choice from a retail store without having to stand in a checkout line. The Personal Digital Cashier with the Coupon Locator also provides the shopper with the ability to determine which store(s) in the shoppers selected proximity have the best deals or discounts on the items desired for purchase, as well as to shop online using their Personal Digital Cashier with the Coupon Locator account.