The present invention relates to a multi-gym machine which enables a user to perform a plurality of different exercises for the whole body. More specifically the present invention relates specifically to a power tower machine in which the user utilizes a combination of the user body weight (calisthenics) in addition to variable elastic bands to provide additional assistance or resistance.This advanced power tower hereby disclosed incorporates an arrangement of multiple handles, various pulleys, elastic cables and steel wire connected to a special waist belt to be put on by the user. The elastic cables depending on their anchor points either from the top or the bottom pulley, generates assistance or resistance to the user respectively for the specific workout. A set of sensors, processor and Bluetooth transmission unit is integrated on the power tower to process, transmit, process and manage several workouts performance indicators via a dedicated mobile application offering a virtual coaching capabilities.Also with internet connection, the mobile application offers an IoT (Internet of Things) concept enable virtual competition with other users using the same machine and mobile application.