The device for releasing volatile substances comprises a support (9) for positioning a receptacle (3) containing the volatile substances, and means for generating a flow of air for releasing the volatile substances, and which is characterized in that said means for generating a flow of air comprise a mobile body (1) joined to said support (9), at least one magnet (2) disposed in said mobile body (1), and means for generating a magnetic flux (4, 5), the operation of which causes the movement of said mobile body (1) by means of the repulsive force between the at least one magnet (2) in the mobile body (1) and the magnetic flux.An improvement in the energy consumption is permitted, using a low-consumption periodic operation, aided by magnetic means.