Get your brain in shape with Brain Tuner, a great math game for all ages.

It takes less than a minute a day to tune your brain! Like a Brain Age exercise.

Players have called Brain Tuner "very addictive" and "lots of fun!" It's a great way to keep on top of your math, and many users have already seen improvements in their speed.

"I use this every day. It's a great way to keep you on top of your math. I've already seen an improvement... very ingenious!!" -Nick Jarosz

This is Greengar's first iPhone app, and it's totally free. If you enjoy it, please give it a top rating to encourage us to develop more.

Brain Tuner 2 is coming soon! Download Brain Tuner today, and when the sequel is released, you'll get to download it for free.

• Developer: http://www.greengar.com
• Art by Amy: http://amidot.deviantart.com

• Looking for more? Challenge yourself with the addicting puzzle game "Lumen"