Bosco was definitely more popular. The Clanky plastic squeeze bottle was shaped like Clanky so when you used up the syrup, the bottle became a toy. It was already mixed unlike Nestle's Quick so you'd just squirt it in milk and stir it and you could put it on ice cream. For some reason, I don't recall that it lasted long and had vanished from stores after a year or two. Bosco and Quick were still around long afterwards and may still be for all I know.