Mental Arithmetic Professional vs Guyton
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Mental Arithmetic Professional
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Mental Arithmetic Professional is a fun and challenging brain-training game designed to improve your mental calculation skills. Solve as many math problems as you can within 120 seconds. Every problem is generated randomly and is meant to be solved entirely in your headβno calculator required. Earn 1 point for every correct answer. Lose 3 points for every incorrect answer. Speed is important, but accuracy is the key to achieving a high score. When the timer reaches zero, your score is automatically submitted to the international leaderboard. Beat your personal best or compete against players from around the world. Features β’ Randomly generated arithmetic problems β’ 120-second challenge mode β’ Improves mental math and concentration β’ Reward and penalty scoring system β’ International leaderboard β’ Simple, fast, and addictive gameplay β’ Suitable for all ages Can you become the world's best mental math player? Good luck!
Guyton
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iGuyton is the first hemodynamic calculator inspired by Arthur Guyton's physiology, designed for anesthesiologists, intensivists, and critical care professionals. By entering patient-specific clinical parameters (CVP, MAP, CO, age, height, weight), iGuyton instantly computes: PMSA (Mean Systemic Filling Pressure) PVR (Peripheral Vascular Resistance) Eh (Venous Return Elastance) The interface is clean, intuitive, and optimized for use in ICUs, operating rooms, and educational simulation environments. Key Features: Instant calculation of key Guytonian parameters Light and dark modes with soft pastel themes for eye comfort Panel-based navigation for a smooth, distraction-free user experience Integrated educational tools to deepen understanding of Guytonian physiology iGuyton is not just a calculator, but a clinical reasoning companion for managing hemodynamic instability. References: - https://pubmed.ncbi.nlm.nih.gov/7920979/ - https://pubmed.ncbi.nlm.nih.gov/30987647/
Screenshots
Verdict
The clearest difference is in-app purchases: Guyton at none against Mental Arithmetic Professional's 1. Guyton also leads on iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Mental Arithmetic Professional sells 1 one-off in-app purchase. Guyton asks for nothing beyond the download.
| Parameter | Mental Arithmetic Professional | Guyton |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 12 months | β |
| Ads | No | No |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 26.0 | 15.1 β better |
| Further details β not scored | ||
| Size | 11 MB | 24 MB |
| Age rating | 4+ | 17+ |
| Developer | Gerhard Lentschik | Pietro Bertini |
In-app purchases
Mental Arithmetic Professional
- Turn off advertising$1.99
Guyton
No in-app purchases





