# kooli vs Particle Simulation Visualizer

The clearest difference is in-app purchases: kooli at none against Particle Simulation Visualizer's 2. kooli also leads on iOS requirement (16.2 vs 18.0). Particle Simulation Visualizer's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Particle Simulation Visualizer sells 2 in-app purchases, starting at $3.99 per 7 days. kooli asks for nothing beyond the download.

## The numbers

| Metric | kooli | Particle Simulation Visualizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 9 MB | 128 MB |
| Requires iOS | **16.2** | 18.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [洪旭 郑](https://appshunter.io/developer/1868258318) | [Marvin Krueger](https://appshunter.io/developer/1152894281) |

## What reviewers say

### kooli

[App page](https://appshunter.io/ios/app/kooli-ai-desktop-pet-robot/id6758918463)

**In-app purchases:** none


### Particle Simulation Visualizer

[App page](https://appshunter.io/ios/app/particle-simulation-visualizer/id6765869491)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Particles PRO | $3.99 | per 7 days |
| Particles PRO | $24.99 | per year |


## Frequently asked questions

### Is kooli free?

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

### Is Particle Simulation Visualizer free?

Particle Simulation Visualizer is free to download, with in-app purchases available.

### Do kooli or Particle Simulation Visualizer have ads?

Neither kooli nor Particle Simulation Visualizer 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.*