Biorhythms and Critical Days Calculator App is a lifestyle application available for Android devices. Developed by Sensortronic Team, this free app allows you to calculate your personal biorhythms, critical days, and birth date compatibility. With an elegant and easy-to-use interface, this app allows you to create up to 10 user profiles with personalized color themes and daily reminders. You can check your biorhythms for the past two weeks or the next two months and view each biorhythm's cycle daily value and trend. The app also provides short descriptions and advice for each day and calculates critical days. With 18 different color themes to choose from, you can personalize your experience and check your biorhythms on a daily basis.