# Chromatose vs QR Engine

The clearest difference is in-app purchases: QR Engine at none against Chromatose's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Chromatose sells 3 in-app purchases, starting at $5.99 per month. QR Engine asks for nothing beyond the download.

Chromatose ships an update every 3 months, QR Engine every 2 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Chromatose | QR Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (17 ratings)](https://appshunter.io/ios/app/chromatose-visual-synthesizer/id6578449692/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 78.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Freemium | — |
| Size | 45 MB | 1 MB |
| Requires iOS | 18.6 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Edward Rooth](https://appshunter.io/developer/1738005609) | [Ibrahim Uzun](https://appshunter.io/developer/1819090208) |

## What reviewers say

### Chromatose

[App page](https://appshunter.io/ios/app/chromatose-visual-synthesizer/id6578449692)

Create and perform real-time, audio-reactive visuals with a powerful yet intuitive video synthesizer. Connect to external displays and customize your creations with a modular interface, extensive modulation options, and MIDI support. Ideal for live performers, VJs, and content creators.

**Highlights:** Audio-reactive visuals, Modular interface, MIDI support, 4 simultaneous generators, Unlimited effect chaining, HD/4K+ output, Patch saving and export

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $5.99 | per month |
| Pro | $49.99 | per year |
| Standard  DISCONTINUED | $59.99 | per year |


### QR Engine

[App page](https://appshunter.io/ios/app/qr-engine/id6748863405)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chromatose free?

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

### Is QR Engine free?

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

### Do Chromatose or QR Engine have ads?

Neither Chromatose nor QR Engine shows ads.

### Which is updated more often, Chromatose or QR Engine?

Chromatose ships an update every 3 months, and QR Engine every 2 months. Most recently, Chromatose was updated on October 24, 2026 and QR Engine on October 8, 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.*