The work proposes a formulation of a marketing tool for hypermarket extolling the importance of using betters and innovative marketing strategies, with the main objective of preserving existing customers and attract new ones. Through a focus on PMI methodology through the efforts of scope, time and cost, a technological solution that improves the customer experience in the buying process arises. The paper presents results using different techniques of market research an application that will promote the market cost and the accounting of the costs thereof, improves the level of customer satisfaction when making market. The main contribution of this work is the conceptualization of a technological tool as a marketing strategy, which is applicable to any hypermarket