# VOSC Visual Particle Synth vs Asteri

The clearest difference is price: Asteri at Free against VOSC Visual Particle Synth's $4.99. Asteri also leads on review sentiment (100% vs 62%) and update cadence (every 9 months vs every 38 months). VOSC Visual Particle Synth's advantage is ads (none vs shown) and rating (4.5 vs 4.3). On ratings volume, in-app purchases, device support and iOS requirement there is nothing between them.

Asteri is free to download; VOSC Visual Particle Synth costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VOSC Visual Particle Synth holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 27 and 18 respectively. Written reviews complicate that: 62% of VOSC Visual Particle Synth's written reviews are positive against 100% of Asteri's, so the app with the better star average is not the one people write more warmly about.

VOSC Visual Particle Synth ships an update every 38 months, Asteri every 9 months. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | VOSC Visual Particle Synth | Asteri |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (27 ratings)](https://appshunter.io/ios/app/vosc-visual-particle-synth/id592599278/reviews)** | [4.3 (18 ratings)](https://appshunter.io/ios/app/asteri-generativeart/id1522144741/reviews) |
| Number of ratings | **27** | 18 |
| Positive reviews | 62.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 9 months** |
| Monetization | **Free** | Ad-supported |
| Best chart rank | **#103** | — |
| Size | 123 MB | 13 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duncan Holby](https://appshunter.io/developer/592599281) | [Kaoru Matarai](https://appshunter.io/developer/1318931628) |

## What reviewers say

### VOSC Visual Particle Synth

[App page](https://appshunter.io/ios/app/vosc-visual-particle-synth/id592599278)

**Currently charting:** #103 Top Paid · Graphics & Design (US App Store)

Create dynamic visual art by manipulating on-screen particles. Explore harmonic resonances and generate endless moving patterns and textures through oscillator control. Inspired by the principles of visual harmony and differential motion.

**Highlights:** Visual particle synthesis, Manipulate oscillator size, shape, frequency, Create moving patterns and textures, Explore visual harmony, Differential motion principles, Harmonic resonances

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

**In-app purchases:** none


### Asteri

[App page](https://appshunter.io/ios/app/asteri-generativeart/id1522144741)

Explore dynamic visual art created by millions of moving particles. Simply choose a preset thumbnail, and watch the generative art come to life automatically. It's a unique way to experience digital art.

**Highlights:** Generative art creation, Dynamic particle animations, Interactive visualizer, Multiple thumbnail presets, Automatic animation playback

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

**In-app purchases:** none


## Frequently asked questions

### Is VOSC Visual Particle Synth free?

VOSC Visual Particle Synth costs $4.99, with no in-app purchases.

### Is Asteri free?

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

### Which has better reviews, VOSC Visual Particle Synth or Asteri?

VOSC Visual Particle Synth is rated higher. VOSC Visual Particle Synth averages 4.5 out of 5 from 27 ratings, while Asteri averages 4.3 from 18 ratings.

### Do VOSC Visual Particle Synth or Asteri have ads?

Asteri shows ads; VOSC Visual Particle Synth does not.

### Which is updated more often, VOSC Visual Particle Synth or Asteri?

VOSC Visual Particle Synth ships an update every 38 months, and Asteri every 9 months. Most recently, VOSC Visual Particle Synth was updated on October 16, 2026 and Asteri on October 1, 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.*