Don't get me wrong, I LOVE them both, but a dupe, is a dupe, is a dupe...LOLOPI "Suzi says feng shui" vs. Zoya "Breezi"...are they dupes?2 coats eachYeah, they are definite dupes!Left to Right: Zoya, OPI, Zoya, OPIBoth colors are great dusty turquoise cremes, both formulas are perfect! High shine and opaque in 2 coats.Zoya and OPI...dupes! So you definitely don't need both, and if you don't have the OPI, get the Zoya during the big Zoya Earth Day Nail Polish Exchange NOW!, HERE!