How many classes are available? How often do you add new classes? Kate Updated April 17, 2019 21:10 We offer over 500 classes, and we add hundreds of new classes every month to keep things fresh. Download here! Related articles What if I don’t know how to do an exercise? Can I take the same class with my friend? Does Go work with fitness trackers? Are the classes geared for the home, outdoors or at a gym? What is Go?