The invention relates to a device (1) for unitary dosage of tablets or pills comprising a hollow body (2) with a container (3) housed in the same configured to store tablets or pills, the container having an outlet channel (31), a rotation mechanism (4) connected to the container and configured to make it rotate, a dispensing mechanism (5) connected to the hollow body (2) and operatively connected to the rotation mechanism (4), configured to house and dispense a tablet or pill, as well as for actuating the rotation mechanism (4) and stirring means (6) connected to the hollow body and to the container, such that the actuation of the dispensing mechanism (5) causes the rotation of the container, the tablets or pills being stirred by the operative combination of the rotation with the stirring means (6), and wherein during the actuation, the dispensing mechanism dispenses a tablet or pill and/or houses another to be dispensed.