Biorhythm Chart vs GEYER Y
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Physical cycle calculation
- Emotional cycle calculation
- Intellectual cycle calculation
- Intuitive cycle calculation
- Aesthetic cycle calculation
- Spiritual cycle calculation
- Simple and attractive interface
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► 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
GEYER Y
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | Biorhythm Chart | GEYER Y |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 20.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 12 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 26 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Shane Clifford | Geyer Electronic GmbH |
In-app purchases
Biorhythm Chart
No in-app purchases
GEYER Y
No in-app purchases









