Cleaning apparatus for cleaning workpieces, comprising a workpiece receptacle, a rotary part drivable in rotation about a main axis by way of a drive device, and at least one nozzle supporting part (40, 84; 108, 114, 120) which is drivable in rotation about an axis of rotation (44, 84; 112, 118, 124) different from the main axis and on which at least one nozzle is arranged or formed at a distance relative to the axis of rotation (44, 84; 112, 118, 124), via which nozzle the workpiece can be acted upon by a cleaning medium, wherein the at least one nozzle supporting part (40, 84; 108, 114, 120) is held for rotation on the rotary part or wherein the workpiece receptacle is held to or formed by the rotary part, and wherein the drive device for the rotary part is configured as an electric drive device or as a pneumatic drive device, characterized in that the cleaning apparatus (10; 100) comprises a charge generating device having at least one electrode (64; 126, 128) for electrostatic charging and/or discharging of the workpiece and/or of the cleaning medium, in that a drive device for the at least one nozzle supporting part (40, 84; 108, 114, 120) is configured as a drive relying on a differential pressure of the cleaning medium flowing through the at least one nozzle relative to a pressure of an ambient medium in a working chamber of the cleaning apparatus (10; 100) which can have the ambient medium admitted thereto via at least one opening, or as a drive relying on a recoil force of the cleaning medium ejected through the at least one nozzle, and in that the cleaning apparatus (10; 100) comprises a control device with which a rotational speed of the rotary part about the main axis is adjustable. a rotary part drivable in rotation about a main axis by way of a drive device, and at least one nozzle supporting part (40, 84; 108, 114, 120) which is drivable in rotation about an axis of rotation (44, 84; 112, 118, 124) different from the main axis and on which at least one nozzle is arranged or formed at a distance relative to the axis of rotation (44, 84; 112, 118, 124), via which nozzle the workpiece can be acted upon by a cleaning medium, wherein the at least one nozzle supporting part (40, 84; 108, 114, 120) is held for rotation on the rotary part or wherein the workpiece receptacle is held to or formed by the rotary part, and wherein the drive device for the rotary part is configured as an electric drive device or as a pneumatic drive device, characterized in that the cleaning apparatus (10; 100) comprises a charge generating device having at least one electrode (64; 126, 128) for electrostatic charging and/or discharging of the workpiece and/or of the cleaning medium, in that a drive device for the at least one nozzle supporting part (40, 84; 108, 114, 120) is configured as a drive relying on a differential pressure of the cleaning medium flowing through the at least one nozzle relative to a pressure of an ambient medium in a working chamber of the cleaning apparatus (10; 100) which can have the ambient medium admitted thereto via at least one opening, or as a drive relying on a recoil force of the cleaning medium ejected through the at least one nozzle, and in that the cleaning apparatus (10; 100) comprises a control device with which a rotational speed of the rotary part about the main axis is adjustable.