Embodiments of the invention are directed to systems, methods and computer program products for aiding with purchase inquiries through an optical head-mounted display in a wearable computer. An exemplary apparatus is configured to receive information captured by the wearable computer; transmit, to at least one database, the received information including a primary identifier and at least one secondary identifier; retrieve, from at least one database, detailed information related to the first item of interest and the at least one additional item of interest, where the detailed information is associated with the primary identifier and the at least one secondary identifier; and present, on the optical head-mounted display in the wearable computer, the detailed information related to the first item of interest and the at least one additional item of interest, in a comparison format.