# VOSC Visual Particle Synth vs PenDraw

The clearest difference is price: PenDraw at Free against VOSC Visual Particle Synth's $4.99. PenDraw also leads on update cadence (every 9 months vs every 38 months). VOSC Visual Particle Synth's advantage is chart position (#95 vs unranked) and iOS requirement (12.0 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

PenDraw 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 ships an update every 38 months, PenDraw every 9 months. The most recent releases landed on September 27, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | VOSC Visual Particle Synth | PenDraw |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.5 (27 ratings)](https://appshunter.io/ios/app/vosc-visual-particle-synth/id592599278/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 62.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 9 months** |
| Monetization | Free | — |
| Best chart rank | **#95** | — |
| Size | 123 MB | 0 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Duncan Holby](https://appshunter.io/developer/592599281) | [EMIRHAN SIMSEK](https://appshunter.io/developer/1861446793) |

## What reviewers say

### VOSC Visual Particle Synth

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

**Currently charting:** #95 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


### PenDraw

[App page](https://appshunter.io/ios/app/pendraw/id6756569723)

**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 PenDraw free?

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

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

Neither VOSC Visual Particle Synth nor PenDraw shows ads.

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

VOSC Visual Particle Synth ships an update every 38 months, and PenDraw every 9 months. Most recently, VOSC Visual Particle Synth was updated on September 27, 2026 and PenDraw on September 16, 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.*