METHOD FOR proviDING the lowest price information, inducING TO proviDE the lowest price information and device THEREOF

摘要

A method of providing information on the lowest price product is provided. The method of providing lowest price product information according to an embodiment of the present invention includes the steps of obtaining payment receipt information from an affiliated store, comparing the purchase price information of the previously stored product with the actual purchase price information of the product included in the obtained receipt information to obtain the lowest price. Analyzing the affiliated store selling the product, determining the ranking of the affiliated store based on the affiliated store selling the analyzed lowest price product, determining a reward according to the provision of the receipt information issued by the affiliated store; and calculating predicted purchase price information in which the reward is reflected in the actual purchase price information.