Biorhythm Pro is a full featured and easy to use app. Up to three individuals biorhythms can be plotted simultaneously. The appearance of the plot can be set with controls for line color, background color and gradients, as well as line thickness and drop shadows. The plot can be exported for incorporation into other applications. If you prefer, tabulated data can be generated and exported.
In addition to these features, Biorhythms Pro will calculated how well synchronized two individuals biorhythms are. This, and other handy features such as the ability to store up to a dozen birth dates with corrections for birth time and time zone and a handy time zone map, make biorhythms a pleasure to use.
A primer on biorhythms is included in the manual to explain the basics and help you get up to speed quickly.