# Chord Roulette vs Moon Echo

The clearest difference is price: Moon Echo at Free against Chord Roulette's $0.99. Moon Echo also leads on rating (4.8 vs 4.3) and review sentiment (100% vs 71%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

Moon Echo holds the better App Store score, 4.8 against 4.3. Both are backed by a comparable volume of ratings — 20 and 20 respectively. Written reviews point the same way: 71% of Chord Roulette's written reviews are positive against 100% of Moon Echo's.

## The numbers

| Metric | Chord Roulette | Moon Echo |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.3 (20 ratings)](https://appshunter.io/ios/app/chord-roulette/id6470079737/reviews) | **[4.8 (20 ratings)](https://appshunter.io/ios/app/moon-echo/id6503342104/reviews)** |
| Number of ratings | 20 | 20 |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Paid | **Free** |
| Size | 3 MB | 21 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Denis Safiullin](https://appshunter.io/developer/1840438643) | [AudioThing Ltd.](https://appshunter.io/developer/1659941236) |

## What reviewers say

### 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


### Moon Echo

[App page](https://appshunter.io/ios/app/moon-echo/id6503342104)

This free music app simulates echoes using the moon as a radio wave reflector. It creates unique, lively, and lo-fi effects modulated by celestial movements, offering a playful tool for both musicians and space enthusiasts.

**Highlights:** Moon-based echo simulation, Lo-fi musical effect, Celestial modulation, Space education tool, AUv3 and Standalone support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Chord Roulette free?

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

### Is Moon Echo free?

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

### Which has better reviews, Chord Roulette or Moon Echo?

Moon Echo is rated higher. Chord Roulette averages 4.3 out of 5 from 20 ratings, while Moon Echo averages 4.8 from 20 ratings.

### Do Chord Roulette or Moon Echo have ads?

Neither Chord Roulette nor Moon Echo shows ads.

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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.*