Alexa I'd say it diverges considerably from Red Queen despite a few common elements. The main character already knows about her power and works to master it, as opposed to going from "ordinary" to "extraordinary" making for a different character arc. There's a slow building romance with lots of great tension--no love triangle (or square!). There's no revolution/big betrayals as plot devices--the MC, instead, has to explore her own darkness and desire for revenge. The writing style is also quite different. I'd consider Frostblood a "traditional" fantasy style/arc, whereas Red Queen is more "pop culture" fantasy (superpowers, etc.) meets dystopia style/arc. (Both books are great; just different)
Teresa While this does sound a bit like Red Queen and has similar elements, it is very different. Both novels are excellent for different reasons. The writing in Frostblood is great and the story is fast-paced and straight forward.