# Fuzz Droid (Legacy) vs MusicKeyRoll

The clearest difference is in-app purchases: MusicKeyRoll at none against Fuzz Droid (Legacy)'s 2. MusicKeyRoll also leads on update cadence (weekly vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Fuzz Droid (Legacy) sells 2 one-off in-app purchases. MusicKeyRoll asks for nothing beyond the download.

Fuzz Droid (Legacy) ships an update every 8 months, MusicKeyRoll weekly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Fuzz Droid (Legacy) | MusicKeyRoll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/fuzz-droid-legacy/id6737575534/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 182 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Sketch Audio, LLC](https://appshunter.io/developer/1699093348) | [Mozusystems, LLC](https://appshunter.io/developer/525117694) |

## What reviewers say

### Fuzz Droid (Legacy)

[App page](https://appshunter.io/ios/app/fuzz-droid-legacy/id6737575534)

This audio effect plugin offers two distinct distortion circuits for aggressive or smoother sounds. It includes digital extras like smoothing, bias control, and tone-shaping filters. Morph settings allow for dynamic transitions between two sound configurations.

**Highlights:** Two asymmetric distortion circuits, Custom smoothing function, Adjustable bias control, Flexible tone-shaping filters, Morph settings for transitions, AUv3 effect plugin, User presets synced across devices

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Two-Week Trial | Free | one-time |
| Full Unlock | $9.99 | one-time |


### MusicKeyRoll

[App page](https://appshunter.io/ios/app/musickeyroll/id6738299571)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fuzz Droid (Legacy) free?

Fuzz Droid (Legacy) is free to download, with in-app purchases available.

### Is MusicKeyRoll free?

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

### Do Fuzz Droid (Legacy) or MusicKeyRoll have ads?

Neither Fuzz Droid (Legacy) nor MusicKeyRoll shows ads.

### Which is updated more often, Fuzz Droid (Legacy) or MusicKeyRoll?

Fuzz Droid (Legacy) ships an update every 8 months, and MusicKeyRoll weekly. Most recently, Fuzz Droid (Legacy) was updated on November 4, 2026 and MusicKeyRoll on November 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.*