A device to be mounted or adhere to a bottle cap, a box or other surface that easy and economically tracks when the last day and dose of a medicine or vitamin was taken or when the next is due The present invention comprises two disk and a dial. The base disk has indicia representing the days of the week, recessed teeth on the edge means to inhibit counterclockwise rotation of the cover disk and a central pin protruding from the center that clasp the three elements together at the same times that allows rotation of the cover disk over the base. The cover disk has indicia for the dose with a protruding wedge tooth means to inhibit counterclockwise rotation of the cover in relation to the base and a window to see the indicia of the base disk. The dial points to the dose indicia and holds the three parts together once the pin from the base disk clasp inside its aperture.