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Biorhythms and Critical Days

Biorhythms and Critical Days

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v5.0.3 by Sensortronic Team

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Biorhythms

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Calculate your biorhythms and critical days! Check out your birth date compatibility with anyone!

About Biorhythms

Biorhythms (Package Name: net.sensortronic.biorhythms) is developed by Sensortronic Team and the latest version of Biorhythms and Critical Days 5.0.3 was updated on August 9, 2026. Biorhythms and Critical Days is in the category of Lifestyle. You can check all apps from the developer of Biorhythms and Critical Days and find 200 alternative apps to Biorhythms and Critical Days on Android. Currently this app is for free. This app can be downloaded on Android 7.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.

Calculate your biorhythms and critical days, and check your birth date compatibility with anyone! Biorhythms is a personal biorhythm calculator and chart covering 8 cycles: physical, emotional, intellectual, intuition, fortune, aesthetic, awareness and spiritual, plus an overall daily rating.
Create up to 10 user profiles, each with its own color theme and daily reminder. The clean, easy to use interface makes your daily biorhythm check quick and effortless. No account and no sign up: your personal data stays on your device.
Features
⭐ Elegant, easy to use interface;
⭐ 8 biorhythm cycles plus an overall daily rating;
⭐ Calculates biorhythms from 2 weeks in the past to 2 months ahead;
⭐ Shows each cycle's daily value for the selected period;
⭐ Shows each cycle's daily trend (rising / declining);
⭐ Daily highlights: a short description and advice for each day;
⭐ Birth date compatibility for any two people;
⭐ Calculates critical days;
⭐ Short, useful advice for each critical day;
⭐ 18 color themes to choose from;
⭐ Personalized color theme for every user profile;
⭐ Personalized daily reminder for every user profile;
⭐ Up to 10 user profiles;
⭐ Available in 8 languages.
Biorhythm theory
Biorhythm theory states that our lives move in predictable undulations, driven by cycles that start at birth and run at a fixed pace. The three classic cycles are:
✓ Physical, 23 days;
✓ Emotional, 28 days;
✓ Intellectual, 33 days.
Beyond the classic three, the app also charts five extended cycles: intuition (38 days), fortune (21 days), aesthetic (43 days), awareness (48 days) and spiritual (53 days).
Critical days
A critical day comes when a cycle crosses the zero line, switching from its high phase to its low phase or back. Such days have been described as days of flux and instability. They are not days when an accident will happen, but days when you may be more accident prone. Simply knowing it is a critical day helps you stay on guard and plan around it.
❗ Privacy notes
✓ Your personal data (e.g. name and date of birth) is stored locally within your instance of the Biorhythms app only;
✓ If you uninstall the app, your personal data is deleted completely from your device;
✓ We do NOT store your personal data on our premises.

Biorhythms 5.0.3 Update

Fixed: the birth date picker was unreadable in the dark theme, showing an empty sheet instead of the date wheels. It now follows the app theme in both light and dark. Thank you to the user who reported it.