Aperol vs. Campari — What's the Difference?

Aperol is an Italian bitter apéritif made of gentian, rhubarb, and cinchona, among other ingredients. It has a vibrant orange hue.

Campari (Italian: [kamˈpaːri]) is an Italian alcoholic liqueur, considered an apéritif (20.5%, 21%, 24%, 25%, or 28.5% ABV, depending on the country in which it is sold), obtained from the infusion of herbs and fruit (including chinotto and cascarilla) in alcohol and water. It is a bitters, characterised by its dark red colour.