If you got in a trouble or having a bad luck, or quarreled with the beloved or friends, or just moody, may be it is simply not your day. Check your biological rhythms and your compatibility with second half and friends with iRhythms. iRhythms is an easy operating life rhythms tracking app. It calculates how high or low is your performance in different areas such as physical and intellectual ability, emotional vigor and sensual feelings and the most important thing is your biorhythms compatibility with other people. It provides easy navigation of biorhythm cycles, precise graphics, useful advices and possible solutions of a problem.So plan ahead your significant occasions with iRhythms!