Cupu-assu (="the great Cupu") jam is a candidate for best in the world. Great sweetened juice, good unsweetened juice with milk, ice-cream, candies. Raw pulp attacks one's enamel. I once thoroughly enjoyed eating 1/2 a fruit--- I like sour --- and then my teeth hurt for about a week.
Cupu-i (= "the wee cupu'), if my memory from childhood serves me well, is fist-sized, thin-shelled, mildly sweet and soft textured, with the seeds chewable with the pulp.
(But I may be remembering Cacau-rana, "pseudo-cacau".)
Cacau pulp is pleasant enough if that is what one has in hand.
The best Theobroma I ever ate was a superior variety of T. bicolor, 'Patashte" or "Mocambo," which I ate in Guatemala--- as rich as Jak or Durian or Marolo or Matasano or Northern-Pawpaw. Others I had there ranged from horrible to middling.