# VOSIS vs Wilsonic

The clearest difference is rating: Wilsonic at 4.8 against VOSIS's 4.1. Wilsonic also leads on update cadence (monthly vs every 8 months) and ratings volume (68 vs 10). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Wilsonic holds the better App Store score, 4.8 against 4.1. That said, the two scores are not equally well evidenced: Wilsonic has 68 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 86% of VOSIS's written reviews are positive against 93% of Wilsonic's.

VOSIS ships an update every 8 months, Wilsonic monthly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | VOSIS | Wilsonic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (10 ratings)](https://appshunter.io/ios/app/vosis/id783342051/reviews) | **[4.8 (68 ratings)](https://appshunter.io/ios/app/wilsonic/id848852071/reviews)** |
| Number of ratings | 10 | **68** |
| Positive reviews | 85.7% of reviews | **92.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free | Free |
| Size | 11 MB | 45 MB |
| Requires iOS | 13.0 | **11.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Life Orange LLC](https://appshunter.io/developer/783342054) | [Marcus Satellite](https://appshunter.io/developer/306752439) |

## What reviewers say

### VOSIS

[App page](https://appshunter.io/ios/app/vosis/id783342051)

This app transforms image data into sound, allowing for unique musical compositions and experimental sound design. It offers control over pitch, timbre, and envelopes to create shape-timbre relationships from visual input.

**Highlights:** Image sonification, Visual music composition, Experimental sound design, Pixel luminance audification, Shape-timbre relationships, Adjustable pitch and timbre, ADSR envelope control

**In-app purchases:** none


### Wilsonic

[App page](https://appshunter.io/ios/app/wilsonic/id848852071)

Explore new musical possibilities beyond the 12-note scale. This app provides access to unique tuning systems and scale designs, allowing you to discover and create never-before-heard music. No prior music theory knowledge is needed to experiment with these innovative tonal worlds.

**Highlights:** Access Ervin Wilson's tuning research, Explore 12-note scale alternatives, Discover new melodic patterns and harmonies, Export scales as Scala files, Share favorite scales, Audiobus 2.3.x compatible

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VOSIS free?

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

### Is Wilsonic free?

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

### Which has better reviews, VOSIS or Wilsonic?

Wilsonic is rated higher. VOSIS averages 4.1 out of 5 from 10 ratings, while Wilsonic averages 4.8 from 68 ratings.

### Do VOSIS or Wilsonic have ads?

Neither VOSIS nor Wilsonic shows ads.

### Which is updated more often, VOSIS or Wilsonic?

VOSIS ships an update every 8 months, and Wilsonic monthly. Most recently, VOSIS was updated on October 24, 2026 and Wilsonic on October 22, 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.*