Cinescape
- Rated A. "Frequency is a prime example of the music game genre and is another impressive PS2 title straight from Sony." Review by James Stevenson.
- http://www.cinescape.com/0/editorial.asp?aff_id=0&this_cat=Toys+%26+Games&action=page&type_id=270291&cat_id=0&obj_id=31799

GamersMark
- "If it weren't so difficult, this would be the best of the music genre ever." Review by Jeff Ricks.
- http://www.gamersmark.com/reviews/view/156/

GameSpot
- Reviewed by: Ryan Davis, score 8.7/10. "The gameplay is simple enough to draw in the most casual of gamers."
- http://www.gamespot.com/ps2/puzzle/frequency/

GameSpy.com
- Reviewed by Russell Garbutt, with screen shots. "Although some of the higher levels will cause you to rip your hair out in frustration, there is no reason not to pick up this title if you're looking for some accessible rhythm-based fun with a scathin
- http://archive.gamespy.com/reviews/december01/frequency/