# Physarum Ambient vs Chladni

The clearest difference is in-app purchases: Physarum Ambient at none against Chladni's 1. Physarum Ambient also leads on ads (none vs shown) and device support (3 vs 1). On price and iOS requirement there is nothing between them.

Both are free to download. Chladni sells 1 one-off in-app purchase. Physarum Ambient asks for nothing beyond the download.

## The numbers

| Metric | Physarum Ambient | Chladni |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 10 days |
| Size | 9 MB | 5 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple TV** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Kaindl](https://appshunter.io/developer/6780668646) | [Takashi Nemoto](https://appshunter.io/developer/6790828928) |

## What reviewers say

### Physarum Ambient

[App page](https://appshunter.io/ios/app/physarum-ambient/id6782821529)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Chladni

[App page](https://appshunter.io/ios/app/chladni-sound-patterns/id6812944446)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads and Watermark | $0.99 | one-time |


## Frequently asked questions

### Is Physarum Ambient free?

Physarum Ambient is free to download, with no in-app purchases.

### Is Chladni free?

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

### Do Physarum Ambient or Chladni have ads?

Chladni shows ads; Physarum Ambient does not.

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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.*