A management device that acquires a first information, which has been transmitted from a terminal in response to a first target application being executed in the terminal, acquires from the first target application a second information, which represents a second target application installed in the terminal, manages an install information based on the first and second information, and transmits to the terminal a third information, based on the install information managed by the install information manager. The third information includes information which indicates at least one target application for which install information with respect to the terminal is not managed by the information manager.