Abstract: A host computer is coupled to a source of item-level transaction data and a consumer computing device such as a Smartphone. A purchase program determines respective purchase intervals of respective items purchased by consumer from respective merchants using respective item-level electronic transaction data representing prior purchases of respective items by consumer. A shopping list program receives a location of consumer and/or data of an electronic calendar of consumer at host computer, identifies at least one merchant within a pre-determined distance of the received location and/or at which consumer has time to shop as determined from received calendar or schedule data, generates at least one electronic shopping list comprising at least one item previously purchased by consumer from the at least one merchant, and transmits the electronic shopping list from the host computer through a network to a computing apparatus of consumer.

Abstract: Systems, computer-implemented methods and computer program products for generating customized shopping lists for recurring purchases of the same item based upon item-level electronic transaction data. Item-level electronic transaction data is analyzed to determine purchase intervals of items and estimate when the consumer will purchase the items again. Segregated, customized shopping lists are generated such that shopping lists have identified items when it is estimated that the consumer will need to purchase the items again. Multiple shopping lists may be segregated by merchant such that consumers have two more different lists of items for different merchants for a given estimated date. For example, a consumer may be provided with a first shopping list for a grocery store such as SAFEWAY, a second shopping list for a warehouse club store such as COSTCO, and a third shopping list for a big box store or superstore such as TARGET.