The Pump SSD app allows members of the sports center affiliated with the Vtagger Fitness platform to view information on their subscription to the sports center, send messages to the sports center, access the center where access is protected by a turnstile or lock electric controlled by the vtagger platform. To access the app you must have an active subscription at the Pump sports center, enter the telephone number communicated to the center and set a password. The access function to the center via the app can only be activated if the sports center has adopted this function, using the GPS of your smartphone and within a distance of 30 meters from the gate to be opened