# VOSIS vs EZPZ

The clearest difference is rating: EZPZ at 5.0 against VOSIS's 4.2. EZPZ also leads on update cadence (every 4 weeks vs every 8 months) and review sentiment (100% vs 86%). VOSIS's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. EZPZ sells 2 in-app purchases, starting at $5.99 per month. VOSIS asks for nothing beyond the download.

EZPZ holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: EZPZ has 29 ratings behind it against 5, 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 100% of EZPZ's.

VOSIS ships an update every 8 months, EZPZ every 4 weeks. The most recent releases landed on September 4, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | VOSIS | EZPZ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/vosis/id783342051/reviews) | **[5.0 (29 ratings)](https://appshunter.io/ios/app/ezpz-doodle-loop-techno/id6444683778/reviews)** |
| Number of ratings | 5 | **29** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 220 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Life Orange LLC](https://appshunter.io/developer/783342054) | [Kari Lekebusch](https://appshunter.io/developer/1793366557) |

## 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


### EZPZ

[App page](https://appshunter.io/ios/app/ezpz-doodle-loop-techno/id6444683778)

Create music by drawing sound loops with intuitive controls. Blend sounds with unique brushes, add pre-designed beats, and adjust tempo and loop length. This app simplifies music production for all ages, focusing on the joy of creation.

**Highlights:** Draw sound loops with sound brushes, Blend sounds with unique kits, Add pre-designed background loops and beats, Control volume, delay, and reverb, Set tempo (BPM) and loop length, Intuitive interface for all ages, Erase, tweak, and redefine creations

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annual | $34.99 | per year |


## Frequently asked questions

### Is VOSIS free?

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

### Is EZPZ free?

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

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

EZPZ is rated higher. VOSIS averages 4.2 out of 5 from 5 ratings, while EZPZ averages 5.0 from 29 ratings.

### Do VOSIS or EZPZ have ads?

Neither VOSIS nor EZPZ shows ads.

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

VOSIS ships an update every 8 months, and EZPZ every 4 weeks. Most recently, VOSIS was updated on September 4, 2026 and EZPZ on September 21, 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.*