# Make Chirps vs Physarum

The clearest difference is in-app purchases: Make Chirps at none against Physarum's 6. Make Chirps also leads on iOS requirement (16.0 vs 26.0). Physarum's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

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

Make Chirps ships an update every 3 months, Physarum every 5 weeks. The most recent releases landed on September 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Make Chirps | Physarum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (27 ratings)](https://appshunter.io/ios/app/physarum-slime-mold/id6744574947/reviews)** |
| Number of ratings | — | **27** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 30 MB | 32 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Keith Riles](https://appshunter.io/developer/1746793092) | [GEORGY OSTROBROD](https://appshunter.io/developer/1875865758) |

## What reviewers say

### Make Chirps

[App page](https://appshunter.io/ios/app/make-chirps/id6466780242)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Make Chirps free?

Make Chirps is free to download, with no in-app purchases.

### Is Physarum free?

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

### Do Make Chirps or Physarum have ads?

Neither Make Chirps nor Physarum shows ads.

### Which is updated more often, Make Chirps or Physarum?

Make Chirps ships an update every 3 months, and Physarum every 5 weeks. Most recently, Make Chirps was updated on September 11, 2026 and Physarum on October 15, 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.*