Respiratory Sys vs Action Potentials
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Respiratory Sys
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Discover how humans breathe with Respiration System in Human Beings – EduTech Era, a complete learning app designed for students, teachers, and science learners. Explore the structure and function of the lungs, trachea, bronchi, diaphragm, and alveoli with simple explanations and clear visuals. Understand how oxygen enters the body and carbon dioxide leaves through the process of inhalation and exhalation. Learn the mechanism of breathing, gas exchange, and the role of blood in transporting gases. The app includes labeled diagrams, cut sections of lungs, animations of breathing movements, audio lessons, and interactive tools for better understanding. Perfect for school chapters, quick revision, and detailed study. EduTech Era makes science learning easy, engaging, and visually rich for everyone.
Action Potentials
Explore the mechanics of action potentials in real-time. Adjust parameters and introduce various drugs to observe their impact on neuronal signaling. Choose between single event simulations or continuous manual current injections.
- Real-time action potential visualization
- Adjustable simulation parameters
- Drug effect simulation (lidocaine, tetrodotoxin, TEA)
- Single action potential mode
- Continuous manual current injection
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In this app, you can see how action potentials work by watching the action potential as it happens and adjusting the parameters. You can add drugs such as lidocaine, tetrodotoxin, and TEA to observe the effects on the action potential. You have the option to see a single action potential with a preset current injection, or a continuous option where you can manually inject current to trigger an action potential.
Screenshots
Verdict
The clearest difference is price: Action Potentials at Free against Respiratory Sys's $2.99. Action Potentials also leads on update cadence (every 3 weeks vs every 28 months). On ads, in-app purchases, device support and iOS requirement 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
Action Potentials is free to download; Respiratory Sys costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Respiratory Sys ships an update every 28 months, Action Potentials every 3 weeks. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.
| Parameter | Respiratory Sys | Action Potentials |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | — | 4.7 (13 ratings) — better |
| Number of ratings | — | 13 — better |
| Update frequency | Every 28 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 264 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | VIRTUAL FILAMENTS PRIVATE LIMITED | Beau Forest |
In-app purchases
Respiratory Sys
No in-app purchases
Action Potentials
No in-app purchases
Questions
Is Respiratory Sys free?
Is Action Potentials free?
Do Respiratory Sys or Action Potentials have ads?
Which is updated more often, Respiratory Sys or Action Potentials?
Other comparisons
