# Keyborg Pro vs Chord Roulette

The clearest difference is price: Keyborg Pro at Free against Chord Roulette's $0.99. Keyborg Pro also leads on rating (5.0 vs 4.3) and iOS requirement (12.0 vs 15.6). Chord Roulette's advantage is update cadence (every 3 days vs fortnightly) and ratings volume (20 vs 1). On ads, in-app purchases and device support there is nothing between them.

Keyborg Pro is free to download; Chord Roulette costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Keyborg Pro holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Chord Roulette has 20 ratings behind it against 1, so its average is the more settled of the two.

Keyborg Pro ships an update fortnightly, Chord Roulette every 3 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Keyborg Pro | Chord Roulette |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keyborg-pro/id1059165657/reviews)** | [4.3 (20 ratings)](https://appshunter.io/ios/app/chord-roulette/id6470079737/reviews) |
| Number of ratings | 1 | **20** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | **Free** | Paid |
| Size | 775 MB | 3 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GARY POGODA](https://appshunter.io/developer/531221055) | [Denis Safiullin](https://appshunter.io/developer/1840438643) |

## What reviewers say

### Keyborg Pro

[App page](https://appshunter.io/ios/app/keyborg-pro/id1059165657)

This app transforms any MIDI keyboard into a versatile instrument, offering modes for pedal steel guitar, 6-string guitar, and advanced chord playing. It caters to both beginners and experienced musicians with intuitive chord-based controls.

**Highlights:** Pedal steel guitar simulation, 6-string guitar simulation, Advanced chord playing, Multiple play modes, Intuitive chord-based controls, Built-in help and tips

**Features:** macOS Compatibility

**In-app purchases:** none


### Chord Roulette

[App page](https://appshunter.io/ios/app/chord-roulette/id6470079737)

This AUv3 MIDI plugin transforms a single MIDI note into a wide range of harmonious chords, enabling generative music composition. It offers extensive control over parameters, scales, and real-time adjustments for creative musical exploration.

**Highlights:** Chord generation from single MIDI notes, Automation-ready parameters, Generative music composition, Diverse scale and mode selection, Real-time precision adjustments, AUv3 compatibility for DAWs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Keyborg Pro free?

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

### Is Chord Roulette free?

Chord Roulette costs $0.99, with no in-app purchases.

### Which has better reviews, Keyborg Pro or Chord Roulette?

Keyborg Pro is rated higher. Keyborg Pro averages 5.0 out of 5 from 1 ratings, while Chord Roulette averages 4.3 from 20 ratings.

### Do Keyborg Pro or Chord Roulette have ads?

Neither Keyborg Pro nor Chord Roulette shows ads.

### Which is updated more often, Keyborg Pro or Chord Roulette?

Keyborg Pro ships an update fortnightly, and Chord Roulette every 3 days. Most recently, Keyborg Pro was updated on October 2, 2026 and Chord Roulette on October 13, 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.*