# VOSIS Pro vs Note by Note

The clearest difference is price: Note by Note at Free against VOSIS Pro's $7.99. Note by Note also leads on update cadence (every 2 weeks vs every 3 months). VOSIS Pro's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 17.6). On ads and in-app purchases there is nothing between them.

Note by Note is free to download; VOSIS Pro costs $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VOSIS Pro ships an update every 3 months, Note by Note every 2 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | VOSIS Pro | Note by Note |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/vosis-pro/id1588226508/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 12 MB | 7 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Life Orange LLC](https://appshunter.io/developer/783342054) | [CGDevworks LLC](https://appshunter.io/developer/1882236775) |

## What reviewers say

### VOSIS Pro

[App page](https://appshunter.io/ios/app/vosis-pro/id1588226508)

Transform images into unique sounds and compose visual music. This tool offers advanced filters and MIDI control for experimental sound design and creative audio manipulation.

**Highlights:** Image to sound conversion, Advanced image filters, MIDI keyboard support, Customizable presets, Unlimited recording, Video file loading (iPad/Desktop)

**Features:** Vision Pro support

**In-app purchases:** none


### Note by Note

[App page](https://appshunter.io/ios/app/note-by-note/id6760000876)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is VOSIS Pro free?

VOSIS Pro costs $7.99, with no in-app purchases.

### Is Note by Note free?

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

### Do VOSIS Pro or Note by Note have ads?

Neither VOSIS Pro nor Note by Note shows ads.

### Which is updated more often, VOSIS Pro or Note by Note?

VOSIS Pro ships an update every 3 months, and Note by Note every 2 weeks. Most recently, VOSIS Pro was updated on October 9, 2026 and Note by Note on October 15, 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.*