The best Dual N Back app is now free. Enjoy.IQ boost is a brain game based on the only proven IQ boosting activity. 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://tinyurl.com/6q2y76IQ boost is very challenging and requires some dedication to get good at. However it is enjoyable and rewarding once you understand how to play.Features:- Improved game tutorial- Adjustable difficulty levels (1 through 9)- Detailed reporting of your progress as you improve- Audio or Visual only practice modes- Optional in game feedback- Post your high score and show off your big brainIGN Rated IQ boost an 8/10 "Impressive"http://tinyurl.com/3stcuvSupport: Please email email@example.com if you have any problems, suggestions, questions or you would like to report a bug.
Release Date: March 4, 2009