A device for use with an inhaler spacer to improve compliance with a medicament dosage regime. The device comprises a display, detection means for detecting indications of successful inhalations by a patient using an inhaler spacer and a memory storing computer readable instructions. The computer readable instructions are configured to present at least one incentive graphic on said display, and to update the incentive graphic in response to detection of an indication of a successful inhalation by the detection means.
