# iDousyn vs Chord Roulette

iDousyn and Chord Roulette both sit at 4.2 stars, but that hides the real split: 71% of Chord Roulette's written reviews are positive against 29% of iDousyn's. Chord Roulette also leads on in-app purchases (none vs 1) and update cadence (every 3 days vs every 2 months). iDousyn's advantage is ratings volume (159 vs 20). On rating, ads and device support there is nothing between them.

iDousyn costs $4.99 and Chord Roulette $0.99 up front. iDousyn sells 1 one-off in-app purchase. Chord Roulette asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for iDousyn against 4.3 for Chord Roulette. That said, the two scores are not equally well evidenced: iDousyn has 159 ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 29% of iDousyn's written reviews are positive against 71% of Chord Roulette's.

iDousyn ships an update every 2 months, Chord Roulette every 3 days. The most recent releases landed on September 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | iDousyn | Chord Roulette |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | [4.2 (159 ratings)](https://appshunter.io/ios/app/idousyn/id421852860/reviews) | **[4.3 (20 ratings)](https://appshunter.io/ios/app/chord-roulette/id6470079737/reviews)** |
| Number of ratings | **159** | 20 |
| Positive reviews | 29.3% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 1.2 GB | 3 MB |
| Requires iOS | 26.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [Denis Safiullin](https://appshunter.io/developer/1840438643) |

## What reviewers say

### iDousyn

[App page](https://appshunter.io/ios/app/idousyn/id421852860)

This app transforms your device into a professional music production tool. It features a sample-based synthesizer with dual-layer sampling, advanced filters, and a professional effects chain. Create immersive sounds and build captivating tracks with an intuitive interface and extensive sound library.

**Highlights:** Dual-layer sampling, Advanced filters and EQ, Professional effects chain, Creative chord pads, MIDI mastery, Expansive sound library

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro | Free | one-time |


### 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 iDousyn free?

iDousyn costs $4.99, and also offers in-app purchases.

### Is Chord Roulette free?

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

### Which has better reviews, iDousyn or Chord Roulette?

Chord Roulette is rated higher. iDousyn averages 4.2 out of 5 from 159 ratings, while Chord Roulette averages 4.3 from 20 ratings.

### Do iDousyn or Chord Roulette have ads?

Neither iDousyn nor Chord Roulette shows ads.

### Which is updated more often, iDousyn or Chord Roulette?

iDousyn ships an update every 2 months, and Chord Roulette every 3 days. Most recently, iDousyn was updated on September 21, 2026 and Chord Roulette on September 18, 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.*