Yes, there are differences. Several products have the Avenge brand name.
Avenge Pro is a spotter with a lot of surfactants, pH is 9.5, moderate foam level, a charge to help draw particles like pigments up into the foam. Could be used similar to Pro's Choice Power Gel.
Avenge Neutral Spotter is a 7 pH and includes a mild reducer.
There several Avenge Upholstery products including Fabric prespray, Heavy Duty Upholstery Prespray and upholstery rinse.