If I have to choose one I would choose jello, but neither are fantastic.
I used to make chocolate pudding pie with Royal Dark and Sweet, but they stopped making it. This is a crisis for my family. My mom used to buy it by the case, because it was sold in so few states and not hers. She’d bring me a few when she would visit.
I pick jello, because I really have to be in the mood for desserts made with dairy, and better to avoid the cholesterol and fat anyway.