The present invention relates to an application to provide useful information (related to courier, food, etc.) as the number of one-person households increases. According to the present invention, loss of courier can be reduced by checking a courier delivery status of all courier delivery companies, purchasing food materials at low costs is possible by confirming a sales status of a shopping mall adjacent to home by setting up an app (application) push notification, and a delivery cost or a minimum order price can be saved by purchasing together with a person living adjacent to the home through a food delivery ordering function. For users who want to eat only semi-prepared foods through joint purchase, it is possible to save food expenses by providing a function to set a certain period, a day and the like.;COPYRIGHT KIPO 2019
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