In a Free Workspace, everyone is an account Admin ("Creator Admin"), and can invite additional Creator Admins to the shared Workspace. Up to 10 Creator Admins can be in a Free Workspace.

In a Tango Pro Workspace, you may have an unlimited number of Workspace Members, however Pro Workspaces are billed per seat, based on the number of users in your Workspace.

All Workspaces can have an unlimited number of Guests.