Probably the same exact thing. Just depends on the owner and what he wants to call it and how he is marketing it. See, some owners call them touchless but the majority of the people out on the road doesn't see the big deal about touchless. They think that the brushes slapping against the car actually do good. Saying "Foam Car Wash" people see it and say..."WOW! FOAM!" and they pull in. :lol