UK-based independent games developer Chris Mayer today announces Brain App, the popular Mac brain training software, is available for purchase via Mac Game Store. The app presents a variety of rapid-fire math problems in quick succession to exercise the brain.

Brain App tracks progress and encourages users to improve day-by-day. Four Brain Exercise types have been included in the initial release of Brain App for Mac. A fifth exercise will be added via a free update in February. Brain App users can suggest new features and exercises on the Brain App Facebook Page.

Brain App requires Mac OS X 10.5 or higher. It’s available for download from the MacGameStore.com (ttp://www.macgamestore.com/product/1727/Brain-App/), priced at US$4.95; customers may also opt for a DVD Backup of their purchase for $7.95.