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App Store Apps > Lifestyle > BiorhythmΩ
BiorhythmΩ icon

BiorhythmΩ

by Jeonghwan Kim · Lifestyle · $0.99
On the App Store since April 2011 · Data updated 2026-10-28

BiorhythmΩ is made and published by Jeonghwan Kim. AppBrain is an independent app data site and isn't affiliated with Jeonghwan Kim. The app name, icon, screenshots and description belong to Jeonghwan Kim and are shown as published on the App Store.

4.74
498 reviews
$0.99

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Screenshots by Jeonghwan Kim, from the the App Store listing
View on the App Store

AppBrain's verdict

EstablishedLoved by users
Rating on App Store
4.74
498 ratings
Last updated
September 16, 2026
Size
3.14 MB

Users love it: 4.7 stars from 498 ratings. Its best ranking is #23 in Top Paid, Lifestyle in France.

Official page on the App Store

User feedback

Ratings and reviews on the App Store

Comments on BiorhythmΩ for iOS

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Store listing

By Jeonghwan Kim, from the App Store
Description by Jeonghwan Kim Written by the developer, not by AppBrain. Click to read.
◉ 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 on multiple dates
• Connect with analysis function

[User]
• Integrated management of multiple users' biorhythms
• Connect to the biorhythm graph screen

[Analysis]
• List biorhythms of 31 days
• Extracting dates for state classification
• Performance analysis by biorhythm

[Union]
• Calculate the average of two or more users' 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
• Biorhythm integration management of multiple people
• Additional features different from other biorhythm apps
• 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.

Safety and technology

Found in the app by AppBrain
Price
$0.99
App size
3.14 MB
Content rating
Everyone

Technologies used by BiorhythmΩ

Releases

Updates seen on the App Store
Version
7.20
Launched
April 2011

No changelog data

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Rankings

App Store top charts
Highest rank
#23
Chart
Top Paid
Lifestyle
Country
France

App Store Rankings for BiorhythmΩ

Top rankings

Rank Country Category List
23 France Lifestyle Top Paid
35 Germany Lifestyle Top Paid
61 Japan Lifestyle Top Paid
44 South Korea Lifestyle Top Paid
48 Switzerland Lifestyle Top Paid
55 Austria Lifestyle Top Paid
67 Belgium Lifestyle Top Paid
69 Poland Lifestyle Top Paid
75 Russia Lifestyle Top Paid
78 Mexico Lifestyle Top Paid

Ranking history in France

About the app and developer

About BiorhythmΩ

BiorhythmΩ is a lifestyle app developed by Jeonghwan Kim.

User Ratings

BiorhythmΩ is rated 4.74 out of 5 stars. The rating is based on 500 ratings.

App Information

BiorhythmΩ costs $0.99. The app size is 3.14 MB. The latest version available is 7.20. The last update was on September 16, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on the App Store since April 2011.

Developer information for Jeonghwan Kim

Jeonghwan Kim

Address:

Share BiorhythmΩ

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