Apparatus for lengthening the penis, said apparatus designed to support itself on the users pelvis and comprising a substantially ring-shaped base element, wherefrom extend a pair of telescopic arms which join at the opposite end thereof to a bridge element having means of fastening to the penis, said arms articulated to the base element in such a way as to enable an angular movement with respect to a plane parallel to the base element, wherein the base element is coupled to a substantially ring-shaped lower base by means of rotation so that the base element is rotatable with respect to the lower base and the central longitudinal axis coinciding with the longitudinal axis of the penis. Thus with two rotational axes available the user has the option of choosing the most comfortable penis position and can rotate the upper bridge in ascending-descending direction and right-left direction simultaneously.