# MIDI Wheels vs Triangles by DETUNE

The clearest difference is price: MIDI Wheels at Free against Triangles by DETUNE's $9.99. MIDI Wheels also leads on update cadence (every 2 days vs monthly). Triangles by DETUNE's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

MIDI Wheels is free to download; Triangles by DETUNE costs $9.99 up front. MIDI Wheels sells 1 one-off in-app purchase. Triangles by DETUNE asks for nothing beyond the download.

MIDI Wheels ships an update every 2 days, Triangles by DETUNE monthly. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | MIDI Wheels | Triangles by DETUNE |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Paid |
| Size | 6 MB | 2 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kohta Makino](https://appshunter.io/developer/1863796160) | [DETUNE Ltd.](https://appshunter.io/developer/510313772) |

## What reviewers say

### MIDI Wheels

[App page](https://appshunter.io/ios/app/midi-wheels/id6756940654)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告削除 | $3.99 | one-time |


### Triangles by DETUNE

[App page](https://appshunter.io/ios/app/triangles-by-detune/id6767820667)

This app offers a unique approach to music creation by placing sounds in a spatial environment rather than a linear timeline. Users arrange geometric shapes on a canvas, and bouncing balls generate sounds, allowing for intuitive and creative composition.

**Highlights:** Spatial sound placement, Generative music composition, Customizable sound elements, Import custom WAV sounds, Intuitive drawing-like interface, Save and load creations

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

**In-app purchases:** none


## Frequently asked questions

### Is MIDI Wheels free?

MIDI Wheels is free to download, with in-app purchases available.

### Is Triangles by DETUNE free?

Triangles by DETUNE costs $9.99, with no in-app purchases.

### Do MIDI Wheels or Triangles by DETUNE have ads?

MIDI Wheels shows ads; Triangles by DETUNE does not.

### Which is updated more often, MIDI Wheels or Triangles by DETUNE?

MIDI Wheels ships an update every 2 days, and Triangles by DETUNE monthly. Most recently, MIDI Wheels was updated on October 6, 2026 and Triangles by DETUNE on October 11, 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.*