# Physarum vs Quantum Interpretations

The clearest difference is in-app purchases: Quantum Interpretations at none against Physarum's 6. Quantum Interpretations also leads on rating (5.0 vs 4.8) and iOS requirement (17.2 vs 26.0). Physarum's advantage is update cadence (every 5 weeks vs every 9 months) and ratings volume (27 vs 3). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Physarum sells 3 one-off in-app purchases. Quantum Interpretations asks for nothing beyond the download.

Quantum Interpretations holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Physarum has 27 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Physarum ships an update every 5 weeks, Quantum Interpretations every 9 months. The most recent releases landed on August 30, 2026 and July 4, 2026 respectively.

## The numbers

| Metric | Physarum | Quantum Interpretations |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (27 ratings)](https://appshunter.io/ios/app/physarum-slime-mold/id6744574947/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/quantum-interpretations/id6747673105/reviews)** |
| Number of ratings | **27** | 3 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 32 MB | 53 MB |
| Requires iOS | 26.0 | **17.2** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GEORGY OSTROBROD](https://appshunter.io/developer/1875865758) | [Aleksandr Shuiskov](https://appshunter.io/developer/1807440595) |

## What reviewers say

### Physarum

[App page](https://appshunter.io/ios/app/physarum-slime-mold/id6744574947)

Explore the fascinating emergent behavior of slime molds through a visually rich simulation. Adjust agent parameters, influence growth with intuitive controls, and discover complex, mesmerizing patterns.

**Highlights:** Slime mold behavior simulation, Autonomous agent control, Adjustable agent parameters, Maze solving and network formation, Vibrant color modes, Interactive system manipulation

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small developer tip | $1.99 | one-time |
| Medium developer tip | $3.99 | one-time |
| Big developer tip | $5.99 | one-time |


### Quantum Interpretations

[App page](https://appshunter.io/ios/app/quantum-interpretations/id6747673105)

Explore the complex world of quantum mechanics interpretations with this pocket guide. It simplifies each concept with summaries, explanations, pros and cons, and engaging facts. Test your knowledge with quizzes and visualize the ideas.

**Highlights:** Simplified explanations of quantum interpretations, Pros and cons analysis, Key figures and pop culture references, Knowledge quizzes, Visual illustrations, Further reading resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Physarum free?

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

### Is Quantum Interpretations free?

Quantum Interpretations is free to download, with no in-app purchases.

### Which has better reviews, Physarum or Quantum Interpretations?

Quantum Interpretations is rated higher. Physarum averages 4.8 out of 5 from 27 ratings, while Quantum Interpretations averages 5.0 from 3 ratings.

### Do Physarum or Quantum Interpretations have ads?

Neither Physarum nor Quantum Interpretations shows ads.

### Which is updated more often, Physarum or Quantum Interpretations?

Physarum ships an update every 5 weeks, and Quantum Interpretations every 9 months. Most recently, Physarum was updated on August 30, 2026 and Quantum Interpretations on July 4, 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.*