# Biorhythm-365 — Check it every morning.

> Daily biorhythm tracking for physical, emotional, and intellectual cycles. (iPhone/iPad app by Jeonghwan Kim.)

- Source: https://appshunter.io/ios/app/biorhythm-365/id570628630 (this page in markdown: same URL + `.md`)
- Developer: [Jeonghwan Kim](https://appshunter.io/developer/429842114)
- Category: Lifestyle, Health & Fitness
- Price: Free
- Rating: 4.70/5 from 3,864 App Store ratings · 602 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 7 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Russian, Chinese (Simplified, China), European Spanish
- Released: 2012-11-03
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/biorhythm-365/id570628630/reviews.md

## What is Biorhythm?

◉ Protect yourself by checking biorhythm daily.

Stamina, judgment, emotion, etc.
If you are not feeling well about the following measures, how about checking your biorhythm?
If your biorhythm does not function appropriately, it is recommended to avoid unreasonable activities. Something might you don't want to happen.
Biorhythm can be referenced in all areas of your life such as learning, sports and sales.

◉ It will advise your future.

Suddenly, some of the celebrities faced traumas
The cases showed that their biorhythms weren't good. Was it a coincidence?

◉ What is biorhythm?

Biorhythm is the physiological cycle of a physical, emotional, and Intellectual. These three cycles are repeated in a uniform pattern based on your birthdays, and there is a difference in activity efficiency or ability depending on the combination of these patterns.

The four rhythm cycles and calculations are as follows.

d = number of days of living
Physical rhythm: sin (2π d / 23)
Emotional rhythm: sin (2π d / 28)
Intellectual rhythm: sin (2π d / 33)
Intuitive rhythm: sin (2π d / 38)

Each rhythm has a value from -100 to +100, and  this value indicates the status.
Low stage: -100 to -1
High stage: +1 to +100
Dangerous Days: 0 (at the time of transition from + value to - value or from - value to + value)

◉ Explanation of Application function

[Biorhythm]
• Display the four rhythms of a user as values and graphs
• Change dates easily to view biorhythms

[Share]
• Send biorhythm using messages or email

[Information]
• Summary of usage
• Help
• Contact the developer

◉ It is not a simple graph.

• Accurate data using formal algorithms
• Sophisticated and easy-to-see graphs
• Send biorhythm using messages or email
• Easy to use at anywhere, at anytime
• Preview of future biorhythms

◉ Notification

• If you have any questions, please use the email function on the app.
mic apps
• This is a completely free app, so no payment or subscription is required.

## Key features

- Daily biorhythm tracking
- Physical, emotional, and intellectual cycles
- Graph and value display
- Future biorhythm preview
- Share biorhythm data
- Accurate algorithmic calculations

## What do users think of Biorhythm?

Overall sentiment: positive

**Pros**

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

**Cons**

- 🔒 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

**Commonly reported bugs**

- Birthday icon does not always function as expected
- App freezes or crashes on some devices

**Most requested features**

- Add ability to track multiple user profiles
- Implement date/month scrolling for easier navigation
- Provide more detailed information and explanations
- Include option to remove ads without paid upgrade

## Recent user reviews (10 of 602)

All indexed reviews: https://appshunter.io/ios/app/biorhythm-365/id570628630/reviews.md

### 5/5 — 非常喜欢

*2026-07-01*

我平时就信生理节律因为无论干什么就看生物节律办事效率就很高，所以我非常喜欢。

### 5/5 — 日々、役立ちます。

*2026-05-24*

いつでも、正確なデータ表示をありがとうございます。

### 5/5 — Bet your life on it.

*2026-05-20, version 6.81*

If you know you know, who feels it knows it. Get in touch with yourself. This will change how you plan your life.

### 2/5 — not happy

*2026-05-04, version 6.80*

the app doesnt help much. never liked the design. I actually forgot that I have it installed . jun04?2024

### 5/5 — Very Helpful

*2026-04-09, version 6.80*

It can help to explain why I feel differently some days

### 5/5 — Sane & Safe

*2026-03-01, version 6.80*

Check every morning: keeps me sane, safe, and prepared.

### 5/5 — Biorritmo  muy buena

*2026-02-10, version 6.80*

Antes funcionaba mejor

### 2/5 — can't seem to find a way to add other biorhythms as  before!! Can't find home screen!!

*2026-02-10, version 6.80*

See above

### 5/5 — Biorritmo

*2026-02-04, version 6.80*

Muy buena app, fácil de usar y de leer la información.

### 5/5 — Bio

*2026-02-02, version 6.80*

Visual y muy práctico

## Frequently asked questions about Biorhythm

### What does the Biorhythm-365 app do?

This app helps you understand your daily biorhythms, which include physical, emotional, and intellectual cycles. By tracking these cycles, you can gain insights into your potential efficiency and abilities on any given day, allowing you to make more informed decisions.

### How are biorhythms calculated in the app?

The app uses formal algorithms based on your birthday to calculate four rhythm cycles: physical (23 days), emotional (28 days), intellectual (33 days), and intuitive (38 days). Each rhythm is represented by a value from -100 to +100, indicating its current stage.

### Is Biorhythm-365 free to use?

Yes, this app is completely free to use. No payment or subscription is required for any of its features.

### What are the benefits of checking my biorhythm daily?

Checking your biorhythm daily can help you protect yourself by understanding your current state. If your rhythms are not functioning optimally, the app recommends avoiding unreasonable activities to prevent unwanted outcomes. This awareness can be beneficial in areas like learning, sports, and sales.

### Can I share my biorhythm information with others?

Yes, the app allows you to share your biorhythm data with others. You can send your biorhythm information using messages or email directly from the application.

## Version history (last 5 releases)

### 7.10 — 2026-08-14

Regular inspection and maintenance

### 7.00 — 2026-06-27

Regular inspection and maintenance

### 6.83 — 2026-06-20

Minor bug fixes

### 6.82 — 2026-06-19

Stability improvements and bug fixes.

### 6.81 — 2026-05-09

Stability improvements and bug fixes.

## Apps similar to Biorhythm

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [BiorhythmΩ](https://appshunter.io/ios/app/biorhythm/id433363390) | 4.7 (498) | $0.99 | Lifestyle |
| [Numerology & Biorhythm](https://appshunter.io/ios/app/numerology-and-biorhythm/id1564315932) | 4.6 (176) | Free | Lifestyle |
| [Time Nomad Astrology Charts](https://appshunter.io/ios/app/time-nomad-astrology-charts/id1092841332) | 4.8 (2,731) | $8.99 | Lifestyle |
| [Biorhythm Calculator Simple](https://appshunter.io/ios/app/biorhythm-calculator-simple/id1542322175) | — | Free | Lifestyle |
| [Neutrino Design - Human Design](https://appshunter.io/ios/app/neutrino-design-human-design/id6444391347) | 4.9 (728) | Free | Lifestyle |
| [Human Design App](https://appshunter.io/ios/app/human-design-app/id862678884) | 4.9 (3,520) | Free | Lifestyle |

## More apps by Jeonghwan Kim

- [BiorhythmΩ](https://appshunter.io/ios/app/biorhythm/id433363390)
- [iContacts+: Contact Group Tool](https://appshunter.io/ios/app/icontacts-plus-contact-group-tool/id548506487)
- [iLocation: Here!](https://appshunter.io/ios/app/ilocation-here/id647695160)
- [iLocation+: Here!](https://appshunter.io/ios/app/ilocation-plus-here/id650008859)
- [iContacts: Contact Group Tool](https://appshunter.io/ios/app/icontacts-contact-group-tool/id1119630690)

All apps by Jeonghwan Kim: https://appshunter.io/developer/429842114

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-29.*