# Theremin Touch vs Chord Roulette

The clearest difference is rating: Chord Roulette at 4.4 against Theremin Touch's 4.0. Chord Roulette also leads on update cadence (every 3 days vs every 2 weeks) and price ($0.99 vs $2.99). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Theremin Touch costs $2.99 and Chord Roulette $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Chord Roulette holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 15 and 23 respectively. Written reviews point the same way: 65% of Theremin Touch's written reviews are positive against 71% of Chord Roulette's.

Theremin Touch ships an update every 2 weeks, Chord Roulette every 3 days. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Theremin Touch | Chord Roulette |
| --- | --- | --- |
| Price | $2.99 | **$0.99** |
| Rating | [4.0 (15 ratings)](https://appshunter.io/ios/app/theremin-touch/id1168287678/reviews) | **[4.4 (23 ratings)](https://appshunter.io/ios/app/chord-roulette/id6470079737/reviews)** |
| Number of ratings | 15 | **23** |
| Positive reviews | 64.7% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Paid | Paid |
| Size | 11 MB | 3 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John McMillan](https://appshunter.io/developer/548931248) | [Denis Safiullin](https://appshunter.io/developer/1840438643) |

## What reviewers say

### Theremin Touch

[App page](https://appshunter.io/ios/app/theremin-touch/id1168287678)

Experience the unique sound of a classic electronic instrument with this vintage-styled simulator. It offers multiple oscillator wave shapes, adjustable frequency ranges, and built-in effects for a realistic playing experience. Optimized for touch and Apple Pencil on compatible devices.

**Highlights:** Vintage theremin emulation, Onboard delay and reverb FX, 4 oscillator wave shapes, Adjustable frequency range, Touchpad for frequency and volume control, Apple Pencil support (iPad only), Built-in tuner

**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 Theremin Touch free?

Theremin Touch costs $2.99, with no in-app purchases.

### Is Chord Roulette free?

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

### Which has better reviews, Theremin Touch or Chord Roulette?

Chord Roulette is rated higher. Theremin Touch averages 4.0 out of 5 from 15 ratings, while Chord Roulette averages 4.4 from 23 ratings.

### Do Theremin Touch or Chord Roulette have ads?

Neither Theremin Touch nor Chord Roulette shows ads.

### Which is updated more often, Theremin Touch or Chord Roulette?

Theremin Touch ships an update every 2 weeks, and Chord Roulette every 3 days. Most recently, Theremin Touch was updated on October 24, 2026 and Chord Roulette on October 21, 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.*