Oct 21, 2010 - Massachusetts based Manta Ray Software today released LifeRhythm 1.0 for iPhone, iPod touch and iPad users. The program allows users to chart their own biorhythm or chart the biorhythm of friends and family. Names and birth dates in the Contacts database can easily be imported into LifeRhythm. The biorhythm charts of two different people can be displayed simultaneously for comparing. LifeRhythm also allows the owner's biorhythm for the current date to be posted to their Facebook wall.