Comparison

Biorhythm Chart vs GEYER Y

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Biorhythm Chart

This application calculates various personal cycles, including physical, emotional, intellectual, intuitive, aesthetic, and spiritual, based on mathematical formulas. It offers a simple yet attractive interface for users to track these potential influences on their lives.

Highlights
  • Physical cycle calculation
  • Emotional cycle calculation
  • Intellectual cycle calculation
  • Intuitive cycle calculation
  • Aesthetic cycle calculation
  • Spiritual cycle calculation
  • Simple and attractive interface
Features
Read full description

► A biorhythm is an attempt to predict various aspects of a person's life through simple mathematical cycles. Most scientists believe that the idea has no more predictive power than raw chance and consider the concept an example of pseudoscience. ► “Biorhythm Chart” application Calculate your biorhythms: - Physical cycle (lasts 23 days) affects physical fitness, strength and stamina - Emotional cycle (lasts 28 days) affects mood, emotions, perception and creativity - Intellectual cycle (lasts 33 days) affects thinking, learning, memory, communication, logic and analytical abilities - Intuitive cycle with 38 days period affects the ability to predict and the decision making ability - Aesthetic cycle with 43 days period affects creativity and creative skills - Spiritual cycle (psychic, spiritual) has a period of 53 days and affects the perception and the personal relationship to what exceeds a person: to God ► The interface is incredibly simple to use, yet powerful and attractive, compatible with iPod, iPhone, iPad and iPad Mini.  ► Please send us your questions, suggestions and comments about the application. Any other feedback, comments, and other communications should be directed to mobile510.contact@gmail.com. Thank you! –––––––––––––––––– Mobile510 – “Good - Better - Best” Email: mobile510.contact@gmail.com Website: http://mobile510.com Facebook: http://www.facebook.com/mobile510 App Store: https://itunes.apple.com/artist/id966433093

About

GEYER Y

Features
Read full description

The simulation app newly launched and further developed by GEYER Electronic supports you with just a few clicks when creating your design and existing circuits can be checked or optimized. Therefore it will help you to choose the right quartz crystal. What does the Y-Design app offer? - Simple design of initial circuit designs - Testing and optimization of designs by simple parameter input; fast determination of quartz loading - Avoidance of technical problems in advance, e.g. long start-up times - Intuitive app use → self-explanatory and user-friendly menu navigation - Storage and printing of the design parameters - Direct sample request for design review

Screenshots

Biorhythm Chart2 screens
GEYER Y4 screens

Verdict

The call

The clearest difference is update cadence: GEYER Y at every 5 months against Biorhythm Chart's every 12 months. Biorhythm Chart's advantage is iOS requirement (6.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Biorhythm Chart ships an update every 12 months, GEYER Y every 5 months. The most recent releases landed on November 4, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 8 level
Biorhythm Chart versus GEYER Y: the parameters behind the verdict, then further details
ParameterBiorhythm ChartGEYER Y
PriceFreeFree
Rating3.0 (1 ratings) — better—
Positive reviews20.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 12 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better12.0
Further details — not scored
Size26 MB33 MB
Age rating4+4+
DeveloperShane CliffordGeyer Electronic GmbH

In-app purchases

None

Biorhythm Chart

No in-app purchases

None

GEYER Y

No in-app purchases

Questions

Is Biorhythm Chart free?
Biorhythm Chart is free to download, with no in-app purchases.
Is GEYER Y free?
GEYER Y is free to download, with no in-app purchases.
Do Biorhythm Chart or GEYER Y have ads?
Neither Biorhythm Chart nor GEYER Y shows ads.
Which is updated more often, Biorhythm Chart or GEYER Y?
Biorhythm Chart ships an update every 12 months, and GEYER Y every 5 months. Most recently, Biorhythm Chart was updated on November 4, 2026 and GEYER Y on November 3, 2026.

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