Can I use Go if I already have ClassPass? Kate Updated April 17, 2019 20:15 Yes! If you already have a ClassPass account, you can access your Go account for free. Please use the same login credentials for Go. Just download the Go app and you’ll see the option to login. Related articles How many classes can I take per month? Can I use Go without being a member of ClassPass? What is the cost of Go? What is Go? What is ClassPass?