# Particle Simulation Visualizer vs galaxy.

The clearest difference is update cadence: galaxy. at every 2 days against Particle Simulation Visualizer's monthly. galaxy. also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support 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 and galaxy. sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Particle Simulation Visualizer ships an update monthly, galaxy. every 2 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Particle Simulation Visualizer | galaxy. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Size | 128 MB | 3 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Marvin Krueger](https://appshunter.io/developer/1152894281) | [Keita Morozumi](https://appshunter.io/developer/6778615629) |

## What reviewers say

### 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 |


### galaxy.

[App page](https://appshunter.io/ios/app/galaxy-deep-cosmic-yours/id6811849769)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| galaxy. collection | $2.99 | one-time |


## Frequently asked questions

### Is Particle Simulation Visualizer free?

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

### Is galaxy. free?

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

### Do Particle Simulation Visualizer or galaxy. have ads?

Neither Particle Simulation Visualizer nor galaxy. shows ads.

### Which is updated more often, Particle Simulation Visualizer or galaxy.?

Particle Simulation Visualizer ships an update monthly, and galaxy. every 2 days. Most recently, Particle Simulation Visualizer was updated on November 5, 2026 and galaxy. on October 31, 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.*