Based only on the birthday date, 1st Biorythm will be able to show by means of graphs you emotional state, mood, physical appearance and intellectual aspect. You may predict those statuses for the following thirty days and anticipate to sudden changes your personality may suffer to postpone an appointment, cancel it or move forward.

Differently to other programs of its kina, 1st Biorythm may first process the biorhythm of two people at the same time so as to deliver individual results or comparisons; this may be an advantage for couples.

The program only tries to relate biorhythm of a person related to several aspects of his/her life, so not everything the program says is guaranteed