It also makes money from ads in the app. Using a smartphone???s geolocation technology, stores, for example, can advertise sales on products a consumer is searching for when she is nearby.Retailers and stores including Best Buy, Panasonic, Gap, T.J. Maxx and Levi's all advertise with ShopSavvy and the company says customized ad campaigns range between $50,000 to $500,000, with an average price of