# Action Potentials vs Learn Quaternions

The clearest difference is rating: Action Potentials at 4.7 against Learn Quaternions's 2.0. Action Potentials also leads on ratings volume (13 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Action Potentials holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Action Potentials has 13 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Action Potentials | Learn Quaternions |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/action-potentials/id1527893283/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/learn-quaternions/id1560497809/reviews) |
| Number of ratings | **13** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | Free |
| Size | 1 MB | 2 MB |
| Requires iOS | **13.0** | 13.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Beau Forest](https://appshunter.io/developer/1527893285) | [Grant Jarvis](https://appshunter.io/developer/1475033835) |

## What reviewers say

### Action Potentials

[App page](https://appshunter.io/ios/app/action-potentials/id1527893283)

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.

**Highlights:** Real-time action potential visualization, Adjustable simulation parameters, Drug effect simulation (lidocaine, tetrodotoxin, TEA), Single action potential mode, Continuous manual current injection

**Features:** macOS Compatibility

**In-app purchases:** none


### Learn Quaternions

[App page](https://appshunter.io/ios/app/learn-quaternions/id1560497809)

Explore the abstract mathematical concept of quaternions through an interactive, visual experience. Manipulate rotation angles and axes with sliders and touch gestures to understand their behavior in a fun and engaging way.

**Highlights:** Visual quaternion exploration, Interactive sliders for rotation, 3D scene manipulation via touch, Fun and engaging learning method, Built with RealityKit

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Action Potentials free?

Action Potentials is free to download, with no in-app purchases.

### Is Learn Quaternions free?

Learn Quaternions is free to download, with no in-app purchases.

### Which has better reviews, Action Potentials or Learn Quaternions?

Action Potentials is rated higher. Action Potentials averages 4.7 out of 5 from 13 ratings, while Learn Quaternions averages 2.0 from 1 ratings.

### Do Action Potentials or Learn Quaternions have ads?

Neither Action Potentials nor Learn Quaternions shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*