Best Biorhythms And Critical Days Apps

247+ iOS apps curated and reviewed

4.6 avg rating
18 free apps
Updated September 2026

If you already know Biorhythms and Critical Days, this is the deeper bench. 247+ biorhythms and critical days apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of September 2026.

Compare top Biorhythms And Critical Days Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Biorhythms and Critical DaysBiorhythms and Critical DaysFree4.7★ (320)YesNoSep 2026
2Biorhythm-365Biorhythm-365Free4.7★ (3.9K)YesNoSep 2026
3Daily BiorhythmDaily BiorhythmFree4.9★ (18)NoSep 2026
4MyBioCycleMyBioCycleFree4.5★ (2)NoNoMay 2026
5Zen RhythmsZen RhythmsFreeNoNoMay 2026
6Biorhythm PlusBiorhythm PlusFreeYesNoMay 2026
7Biorhythm 365daysBiorhythm 365daysFreeYesYesJul 2026
8BioRhythm HoroscopeBioRhythm HoroscopeFreeYesNoMay 2026

Top Picks for Biorhythms And Critical Days

Biorhythms and Critical Days#1

Biorhythms and Critical Days by Sensortronic

Daily cycle calculator & chart
Editor's Choice
🌟 Lifestyle
4.7😊(320 ratings)
FreeAds
Biorhythms and Critical Days screenshot 1
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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.

What We Love

  • 👍 Accurate and helpful
  • 👍 Easy to use
  • 👍 Detailed information
  • 👍 Useful for planning
  • 👍 Reliable
  • 👍 Interesting and informative
  • 👍 Excellent design
  • 👍 Comprehensive profiles
  • 👍 Compatibility function

Room to Improve

  • 🐛 Inconsistent data
  • 🐛 Buggy critical days feature
  • 🐛 Unclear instructions
  • 🐛 Poor translations
  • 🔍 Cluttered UI with ads
  • 🔍 Limited customization options
Biorhythm-365#2

Biorhythm-365 by Jeonghwan Kim

Check it every morning.
Strong Contender
🌟 Lifestyle
4.7😊(3.9K ratings)
FreeAds
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Biorhythm-365 screenshot 5

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.

What We Love

  • 👍 Easy to use and understand
  • 🚀 Accurate and informative
  • 💡 Helpful for planning and self-awareness
  • 🔍 Useful for tracking personal rhythms
  • 📈 Tracks biorhythms over time

Room to Improve

  • 🔒 Limited to one user profile
  • 🔍 Lacks ability to compare multiple profiles
  • 📝 Difficult to change birth date once entered
  • 💰 Ads prompt for paid version
  • 🔍 Lacking detailed explanations and instructions

More Biorhythms And Critical Days apps to explore

FAQ about Biorhythms And Critical Days

What are the best biorhythms and critical days apps for iPhone?
Biorhythms and Critical Days tops our biorhythms and critical days apps ranking as of September 2026, with a 4.7-star average from 320 App Store ratings, and it's free to download.
Yes — 18 of the top biorhythms and critical days apps we rank are free to download, including Biorhythms and Critical Days and Biorhythm-365.
Biorhythms and Critical Days shows ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 247+ biorhythms and critical days apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
This app calculates your personal biorhythms, which are believed to influence your physical, emotional, and intellectual states. It also identifies critical days, which are periods of potential instability, and assesses birth date compatibility with others.
Key features include calculating biorhythms from two weeks in the past to two months in the future, showing daily values and trends for each cycle, identifying critical days with advice, and assessing birth date compatibility. It also supports up to 10 user profiles with personalized themes and reminders.