You can download CocoaBio 1.0 for Mac from our application library for free. CocoaBio for Mac relates to Lifestyle Tools.
From the developer:
CocoaBio gives you access to your own biorhythm conditions, using the settings in the "My Biorhythms" tool in Biorhythms 9.
You may want to check out more software for Mac, such as NavigX, Keith's AstroImager or MeNews, which might be related to CocoaBio.