# ström vs VOSIS

The clearest difference is rating: VOSIS at 4.2 against ström's 3.4. VOSIS also leads on review sentiment (86% vs 60%). ström's advantage is update cadence (every 2 months vs every 8 months) and ratings volume (28 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VOSIS holds the better App Store score, 4.2 against 3.4. That said, the two scores are not equally well evidenced: ström has 28 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 60% of ström's written reviews are positive against 86% of VOSIS's.

ström ships an update every 2 months, VOSIS every 8 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | ström | VOSIS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (28 ratings)](https://appshunter.io/ios/app/strom/id495549899/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/vosis/id783342051/reviews)** |
| Number of ratings | **28** | 5 |
| Positive reviews | 60.0% of reviews | **85.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 2 MB | 11 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erik Sigth](https://appshunter.io/developer/385275335) | [Life Orange LLC](https://appshunter.io/developer/783342054) |

## What reviewers say

### ström

[App page](https://appshunter.io/ios/app/strom/id495549899)

A simple internet radio player that supports various audio formats. Customize presets with your favorite stations or enjoy the included fluid, lake, and Swedish radio channels. It can also play streams of limited duration.

**Highlights:** Plays mp3, wav, aifc, aiff, m4a, mp4, caf, aac, Customizable radio presets, Includes fluid, lake, and Swedish radio channels, Supports finite length streams, Minimalistic interface

**Features:** Vision Pro support

**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 ström free?

ström 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, ström or VOSIS?

VOSIS is rated higher. ström averages 3.4 out of 5 from 28 ratings, while VOSIS averages 4.2 from 5 ratings.

### Do ström or VOSIS have ads?

Neither ström nor VOSIS shows ads.

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

ström ships an update every 2 months, and VOSIS every 8 months. Most recently, ström was updated on November 1, 2026 and VOSIS on November 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.*