CoverGirl Molten Black (300) is a cool black with a glitter finish that is permanent and retails for $4.99. In comparison, ColourPop Revenge (Misunderstood) is a neutral black with a sparkle finish that is limited edition and retails for $4.50.
ColourPop Revenge (Misunderstood) is 90% similar — it is less shimmery, lighter, warmer.