NumberDrop - A uniquely challenging math puzzle game.
Lumosity - Discover what your mind can do. Improve memory, increase focus, and find calm - with the #1 brain training app. Get started now.
Sum Fun - A fun number puzzle game for iPhone and iPad.
Elevate - Elevate is an award-winning brain training tool designed to build communication and analytical skills.
Math Search - See posts, photos and more on Facebook.
Brain Workshop - Brain Workshop is a open-source version of the dual n-back brain training exercise.