Bottom line is this, black magic is solvent based. Most others are water based which helps in washing it off rather than scrubbing it off and only getting most of it. Not to mention the fun part of wiping it off your car body as you give er a lil extra drying your tires off out of the car wash or driveway. Each offers a different end result and a different application method. The sponge, for applying, is perhaps the best as it allows for an even coating and doesnt spray mist your quarter panels. Most of all use trial and error till you find the one you like. Or use a friends!! Cheaper that way.