# ChordMapMidi vs Harmonitron

The clearest difference is price: Harmonitron at $2.99 against ChordMapMidi's $3.99. On rating, ratings volume, ads and in-app purchases there is nothing between them.

ChordMapMidi costs $3.99 and Harmonitron $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ChordMapMidi against 5.0 for Harmonitron. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

## The numbers

| Metric | ChordMapMidi | Harmonitron |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/chordmapmidi/id533859936/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/harmonitron/id6790326853/reviews) |
| Number of ratings | **5** | 2 |
| Positive reviews | 52.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | — |
| Monetization | Paid | Paid |
| Size | 4 MB | 3 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Malcolm Mugglin](https://appshunter.io/developer/533859939) | [Konstantin Torsten Schutz](https://appshunter.io/developer/6778600016) |

## What reviewers say

### ChordMapMidi

[App page](https://appshunter.io/ios/app/chordmapmidi/id533859936)

This app is a MIDI controller for exploring musical chords and progressions in major and minor keys. It sends note information to other synthesizer apps on your device, making it a portable tool for musicians and educators.

**Highlights:** Explore chords and progressions, Major and minor keys, MIDI controller functionality, Sends note information to synth apps, Portable music tool

**In-app purchases:** none


### Harmonitron

[App page](https://appshunter.io/ios/app/harmonitron/id6790326853)

This app creates a rich, swirling harmonic tremolo effect, distinct from standard volume pulsing. It splits sound into low and high bands, modulating them in opposite phases for a lush, phaser-like character. Apply it to various instruments or full mixes as a standalone app or AUv3 effect.

**Highlights:** True harmonic tremolo with anti-phase modulation, Voice control for morphing between classic and harmonic tremolo, Split & Tilt for band crossover and balance, Tube Drive and tone shaping, Adjustable Rate and LFO Shapes, Tempo Sync with musical note divisions, Stereo Spread for auto-pan and width

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

**In-app purchases:** none


## Frequently asked questions

### Is ChordMapMidi free?

ChordMapMidi costs $3.99, with no in-app purchases.

### Is Harmonitron free?

Harmonitron costs $2.99, with no in-app purchases.

### Which has better reviews, ChordMapMidi or Harmonitron?

ChordMapMidi and Harmonitron are both rated 5.0 out of 5 on the App Store, from 5 and 2 ratings respectively.

### Do ChordMapMidi or Harmonitron have ads?

Neither ChordMapMidi nor Harmonitron 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.*