# Action Potentials vs NeuroPhysMatrix

The clearest difference is in-app purchases: Action Potentials at none against NeuroPhysMatrix's 1. Action Potentials also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. NeuroPhysMatrix sells 1 one-off in-app purchase. Action Potentials asks for nothing beyond the download.

Action Potentials ships an update every 3 weeks, NeuroPhysMatrix fortnightly. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Action Potentials | NeuroPhysMatrix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/action-potentials/id1527893283/reviews)** | — |
| Number of ratings | **13** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 1 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beau Forest](https://appshunter.io/developer/1527893285) | [Takashi Nakano](https://appshunter.io/developer/6780341829) |

## 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


### NeuroPhysMatrix

[App page](https://appshunter.io/ios/app/neurophysmatrix/id6798524754)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $7.99 | one-time |


## Frequently asked questions

### Is Action Potentials free?

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

### Is NeuroPhysMatrix free?

NeuroPhysMatrix is free to download, with in-app purchases available.

### Do Action Potentials or NeuroPhysMatrix have ads?

Neither Action Potentials nor NeuroPhysMatrix shows ads.

### Which is updated more often, Action Potentials or NeuroPhysMatrix?

Action Potentials ships an update every 3 weeks, and NeuroPhysMatrix fortnightly. Most recently, Action Potentials was updated on October 11, 2026 and NeuroPhysMatrix on October 14, 2026.

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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.*