System for assisting in balancing body weight containing a footwear item and a smartphone or similar, where the footwear item comprises means for detecting the proportion of the weight bearing on the front part of the foot and on the rear part of the foot, preferably load sensors (1 and 2), a printed circuit board (4) for controlling and transmitting/receiving signals, a power supply battery (5) for powering the elements installed in the footwear item and vibrating motors (3) positioned in the front part of the foot and in front of the front load sensors (3). An application is installed in the smartphone and used to control the operation of the system and consequently, the footwear item and the exercises to be performed thereon.
