IGN Rated IQ boost an 8/10 "Impressive"
http://www.ign.com/articles/2008/10/06/iq-boost-review

IQ boost is based on the Dual N Back exercise. The Dual N-Back task is the only mental activity that has been proven to improve your short-term memory and fluid intelligence. Read the Wired article http://archive.wired.com/science/discoveries/news/2008/04/smart_software

Features:
- Improved game timing and scoring
- Audio only and visual only modes
- Bluetooth audio latency compensation
- Optional in game feedback
- Adjustable stimulus timing
- Detailed reporting of your progress as you improve.

Please email [email protected] or tweet @rantlab if you have any problems, suggestions, questions or you would like to report a bug.