Shop smart: smart phones can save you money. Now, many smart phones for consumers an advantage when buying by the user to compare prices and buy cheap on their favorite brands.Many smart phones now have downloadable applications that use the barcode of an item for the best price available from a variety of suppliers enable Scan. Bing Shop Savvy, Microsoft and Amazon are some applications you can find the best deals, according to U.S. News & World Report. Instead of gradually cutting coupons, some applications offer bids for a variety of products. OO on the Go is an iPhone application that buyers with discounts of up to 50 percent of offers and offer tracks, where the beginning and the end, reported the news source. http://amplify.com/u/brtgb