Revlon HD Pink Ruby (515) is a cool fuchsia with a sparkle finish that is discontinued and retails for $8.99. In comparison, Marc Jacobs Beauty Whip It (304) is a cool fuchsia with a pearl finish that is permanent and retails for $29.00.
Marc Jacobs Beauty Whip It (304) is 90% similar — it is lighter, more muted, cooler.