Chinese money plant is a houseplant native to southwestern China, with round leaves on long stalks. Small offshoots grow around its base and can be separated and shared as new plants, which is why Chinese money plant is also called the friendship plant.
Chinese money plant has nearly round leaves. Raindrop peperomia has leaves shaped more like pointed teardrops.
Why they get mixed upBoth are compact houseplants with thick leaves attached away from the leaf edge.