Can I hear what a sample class sounds like? Kate Updated July 31, 2018 07:07 Since the app is free, you can download here and give it a go! Try out a quick 5 minute core session or a 45 minute run to see how ClassPass Go will work for you. Related articles Can I use ClassPass Go if I'm outside the United States? How many classes can I take per month? What is the cost of ClassPass Go? Can I use ClassPass Go without purchasing or being a member of ClassPass? Why is there no video?