# Tandem MIDI Canvas vs HarmoTuner

The clearest difference is price: HarmoTuner at Free against Tandem MIDI Canvas's $14.99. HarmoTuner also leads on update cadence (every 2 weeks vs every 5 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

HarmoTuner is free to download; Tandem MIDI Canvas costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tandem MIDI Canvas ships an update every 5 weeks, HarmoTuner every 2 weeks. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Tandem MIDI Canvas | HarmoTuner |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/tandem-midi-canvas/id6747936331/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Paid | — |
| Size | 24 MB | 1 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mitchell Cohen](https://appshunter.io/developer/1811479646) | [Shunsuke Hosomi](https://appshunter.io/developer/6780727274) |

## What reviewers say

### Tandem MIDI Canvas

[App page](https://appshunter.io/ios/app/tandem-midi-canvas/id6747936331)

Design and build custom MIDI controllers on your iPhone or iPad. Save presets, perform with motion and snapshots, and collaborate in real-time with others. Features smart snapping, layout templates, and morphing between states.

**Highlights:** Build custom MIDI controller layouts, Save and recall presets, Perform with motion and snapshots, Real-time collaboration, Smart MIDI setup, Morphing between states

**Features:** SharePlay

**In-app purchases:** none


### HarmoTuner

[App page](https://appshunter.io/ios/app/harmotuner/id6780727272)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tandem MIDI Canvas free?

Tandem MIDI Canvas costs $14.99, with no in-app purchases.

### Is HarmoTuner free?

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

### Do Tandem MIDI Canvas or HarmoTuner have ads?

Neither Tandem MIDI Canvas nor HarmoTuner shows ads.

### Which is updated more often, Tandem MIDI Canvas or HarmoTuner?

Tandem MIDI Canvas ships an update every 5 weeks, and HarmoTuner every 2 weeks. Most recently, Tandem MIDI Canvas was updated on October 10, 2026 and HarmoTuner 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.*