All of them can be used to make jelly, but jelly powder is the worst and fish gelatin powder is the best.

Jelly powder is fish gelatin or gelatin mixed with flavor.

The main ingredient of pudding powder is seaweed gum.

Gelatin powder is fish gelatin powder, is extracted from fish fat, fish skin processing made of a protein gel.

Difference between Jelly Powder, Fish Gelatin Powder, Custard Powder, and Gilead Flakes

1: Jelly Powder is generally agar Fish Gelatin Powder (Gilead Powder) or gelatin plus flavorings and sugar synthesis.

2: Fish gelatin powder is extracted from an animal protein gel, also known as Gilead, a little fishy, used as a dessert with a little flavor

3: custard powder is a spice powder, powdered, light yellow or light orange-yellow, tart inside the added. With a strong milky and fruity flavor, by the combination of thinning agent, stabilizer, food flavor, food coloring, milk powder, starch and filler.