# RISCy vs VOSIS

The clearest difference is rating: RISCy at 4.7 against VOSIS's 4.2. RISCy also leads on iOS requirement (8.0 vs 13.0). VOSIS's advantage is update cadence (every 8 months vs every 39 months). On price, review sentiment, ratings volume and ads there is nothing between them.

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

RISCy holds the better App Store score, 4.7 against 4.2. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews point the same way: 88% of RISCy's written reviews are positive against 86% of VOSIS's.

RISCy ships an update every 39 months, VOSIS every 8 months. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | RISCy | VOSIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/riscy/id423084182/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/vosis/id783342051/reviews) |
| Number of ratings | 3 | **5** |
| Positive reviews | **88.2% of reviews** | 85.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 8 months** |
| Monetization | Free | Free |
| Size | 1 MB | 11 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Parmenter](https://appshunter.io/developer/1183665020) | [Life Orange LLC](https://appshunter.io/developer/783342054) |

## What reviewers say

### RISCy

[App page](https://appshunter.io/ios/app/riscy/id423084182)

Create unique electronic music and generative patterns with a visual synthesizer. Drag and drop tokens to build sound graphs, exploring sonic possibilities and hidden relationships. Ideal for experimental sound design.

**Highlights:** Drag and drop synthesizer interface, Live coding with limited instruction set, Build and manipulate synth graphs, Create noisy sounds and generative patterns, Discover hidden graph relationships, Reset and random start options

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is RISCy free?

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

### Is VOSIS free?

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

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

RISCy is rated higher. RISCy averages 4.7 out of 5 from 3 ratings, while VOSIS averages 4.2 from 5 ratings.

### Do RISCy or VOSIS have ads?

Neither RISCy nor VOSIS shows ads.

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

RISCy ships an update every 39 months, and VOSIS every 8 months. Most recently, RISCy was updated on October 22, 2026 and VOSIS on October 26, 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.*