245+ iOS apps curated and reviewed
If you already know Biorhythms and Critical Days, this is the deeper bench. 245+ biorhythms and critical days apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7β (319) | Yes | No | Aug 2026 |
| 2 |  | Free | 4.7β (3.9K) | Yes | No | Aug 2026 |
| 3 |  | Free | β | Yes | Yes | Jul 2026 |
| 4 |  | Free | 4.3β (220) | No | Yes | Jul 2026 |
| 5 |  | Free | 4.5β (2) | No | No | May 2026 |
| 6 |  | Free | β | Yes | No | May 2026 |
| 7 |  | Free | 4.3β (83) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.6β (176) | Yes | Yes | Aug 2026 |
This app calculates your personal biorhythms, critical days, and birth date compatibility. It supports multiple user profiles with customizable themes and reminders, offering daily insights and advice for physical, emotional, and intellectual cycles.
Understand your daily physical, emotional, and intellectual cycles. This app provides insights into your biorhythms, helping you make informed decisions and avoid potential risks by analyzing your daily, weekly, and monthly patterns.
Calculate and track your daily physical, emotional, and intellectual cycles. Understand how these periodic changes affect your energy, mood, and creativity. Compare your feelings to your biorhythm values and discover potential daily patterns.
Chart your emotional, intellectual, physical, and intuitive cycles based on your birth date and time. Track up to 12 profiles to see how you sync with friends and family. Visualize your cycles for up to a year with color-coded sine waves.
This app helps you chart your life's cycles based on mathematical principles. It allows you to track physical, emotional, and intellectual states for yourself and friends, and find optimal sleep and wake times.
Discover your life's purpose and future through numerology, biorhythm, and psychomatrix calculations. This app provides detailed readings and forecasts to help you understand yourself, your relationships, and make informed life choices.
Track your physical, emotional, intellectual, and love/sex/happiness cycles with emoticons. Calculate critical or best days and navigate through your stats easily. Share your insights on social media.
This app calculates your daily physical, emotional, and intellectual cycles based on your birth date. See how your day is likely to go and predict the moods of loved ones. Widgets offer quick access to your daily status without opening the app.
This app calculates and displays your daily physical, emotional, intellectual, and intuitive biorhythms based on your birthday. It helps you understand your potential for stamina, judgment, and emotion, advising caution during low or dangerous periods. Analyze trends, manage multiple users, and share your biorhythm data.
This application analyzes your personal biorhythms to predict daily fluctuations in your life. It offers insights into your cycles and provides tips to help you navigate your day more successfully.
Visualize your physical, emotional, and intellectual rhythms alongside moon phases and Mercury retrograde. Get personalized AI analysis and compatibility insights to understand your daily condition and find better balance. Enjoy witty advice or deep dives into celestial influences.
Understand your daily energy levels based on biological cycles. Predict periods of peak performance and when to conserve energy for better well-being.
Manage biorhythms for yourself and your family with this easy-to-use tool. Track daily physical, emotional, and intellectual cycles to optimize performance in sports, work, and learning. Receive warnings for stressful periods.
