To provide information processing devices capable of effectively presenting to a user an action that improves communication quality. The information presenting devices includes: a communication quality acquisition means that acquires current communication quality and communication quality when a user takes an action; an action cost calculation means that calculates a cost of the action; a presentation information calculating means that determines the action, based on the current communication quality, the communication quality when the action is taken, and the action cost; a first presenting means that displays predetermined information about a case where the action is taken; and a second presenting means that acquires an instruction from a user after display by the first presenting means, and then also displays additional information about a case where the action is taken, in addition to the predetermined information.