# Harmonaut: Chord Player — Music Composition & Explorer

> Intuitive chord instrument for music composition and exploration, with MIDI export. (iPhone/iPad app by District One Mobile, LLC.)

- Source: https://appshunter.io/ios/app/harmonaut-chord-player/id6784680994 (this page in markdown: same URL + `.md`)
- Developer: [District One Mobile, LLC](https://appshunter.io/developer/812513884)
- Category: Music, Productivity
- Price: Free with in-app purchases
- Rating: 5.00/5 from 7 App Store ratings · 4 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 117 MB
- Languages: American English
- Released: 2026-07-22
- Data updated: 2026-11-05
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/harmonaut-chord-player/id6784680994/reviews.md

## What is Harmonaut?

Harmonaut™ is a chord instrument you play by feel. Press a key and hear a rich chord, voice-led smoothly from the last one, no theory needed. Build a progression, shape its mood, and export it as MIDI for your track.

Two faders let you shape the mood as you play: more tension or less, brighter or darker, even major to minor. Chase a moody electronic progression, a warm lo-fi loop, a jazzy turn, a cinematic swell, or a simple pop hook. It all comes from your intent, not from naming chords.

HOW IT PLAYS
• Tension that actually resolves: chords that lean, pull home, and land, so your progression goes somewhere instead of just floating
• Every one of the twelve keys is in play: reach past the obvious chords for richer, more surprising color, and it still sounds right
• Build a whole progression, not just four chords: every chord you play lands in your trail, ready to reorder or duplicate to try new versions in seconds
• Pick up right where you left off: your ideas are saved for you

TAKE IT TO YOUR TRACK
• Export any progression as a MIDI file and drop it into BandLab, GarageBand, or any DAW that opens MIDI, then play it through any instrument you like
• Export to iReal Pro format to keep a chord chart or practice over the changes
• Harmonaut Pro unlocks MIDI export, iReal Pro export, and unlimited saved progressions

IT SOUNDS GOOD FOR A REASON
Every chord is voice-led from the one before it, live, as you play: the notes move the shortest way, so a progression flows instead of jumping around. That's the finished feeling you hear in the songs you love.
Push Intensity and the voicings open up: lush 9ths, bright 13ths, and altered dominants like G7#9b13, the colors session keyboard players reach for.
And Harmonaut names every chord the way musicians actually write it, like Ebmaj7, so you can hand your progression to a session player, a bandmate, or a producer and they'll play it back exactly, first time.

No box to buy, nothing to charge, no menus to dig through. It's already in your pocket.

Whether it's your first progression or a sound you can hear but can't name, Harmonaut meets you where you are.

See the end user license agreement at the following link:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- Play chords by feel, no theory required
- Shape chord mood with tension and brightness faders
- Build and reorder full chord progressions
- Voice-led chords for smooth transitions
- Export progressions as MIDI files
- Export to iReal Pro format

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Harmonaut Pro | $9.99 | one-time |


## Is Harmonaut safe?

Not enough ratings yet to assess Harmonaut.

## Is Harmonaut legit?

Harmonaut: Chord Player appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Harmonaut is 75 out of 100 points across 7 verification signals from App Store and developer data.

## Recent user reviews (4 of 4)

All indexed reviews: https://appshunter.io/ios/app/harmonaut-chord-player/id6784680994/reviews.md

### 5/5 — 需要中文

*2026-10-23*

不错的音乐风格

### 5/5 — Awesome!

*2026-10-01*

Really fun and easy way to explore harmony.

### 5/5 — Love💕

*2026-10-01*

This is a fantastic app …so easy to use.  I plan to use this is my go to learning tool! Thanks 😊

### 5/5 — Fun app!!!

*2026-07-23*

This app is fun to play with! I don’t know all of the chord symbols but the sound is good, and it does it automatically. Maybe this will help me learn more about chords!!!

## Frequently asked questions about Harmonaut

### What is Harmonaut?

Harmonaut is a music composition app that allows users to play and create chord progressions by feel. It offers intuitive controls for shaping the mood of chords and exporting them as MIDI files for use in other music software.

### Does Harmonaut require music theory knowledge?

No, Harmonaut is designed to be played by feel, without requiring any prior music theory knowledge. It focuses on intuitive interaction to create rich chord voicings and progressions.

### Can I export my chord progressions from Harmonaut?

Yes, Harmonaut allows you to export your created chord progressions as MIDI files. This enables you to import them into Digital Audio Workstations (DAWs) like GarageBand or BandLab and use them with any instrument.

### What are the benefits of Harmonaut Pro?

Harmonaut Pro unlocks advanced features such as MIDI export, iReal Pro export, and unlimited saved progressions. This provides greater flexibility for users who want to integrate their creations into professional music workflows.

### What devices is Harmonaut available on?

Harmonaut is available on iPhone and iPad devices, making it accessible for users on the go.

### How often is Harmonaut updated?

The latest version of Harmonaut is 2026.2.11, and it was last updated on November 4, 2026. This indicates a recent update, suggesting ongoing development and support.

### What is the user sentiment for Harmonaut?

Harmonaut has received an average rating of 5.0 stars from 7 ratings, indicating overwhelmingly positive user sentiment and satisfaction with the app's functionality and user experience.

### Is Harmonaut free to use?

Harmonaut is free to download and use. However, certain advanced features like MIDI export and unlimited saved progressions are available through in-app purchases via Harmonaut Pro.

## Version history (last 5 releases)

### 2026.2.11 — 2026-11-04

Internal improvements

### 2026.2.10 — 2026-11-01

Internal improvements

### 2026.2.9 — 2026-10-18

Internal improvements

### 2026.2.8 — 2026-10-13

Walkthrough UI bug fix

### 2026.2.7 — 2026-10-05

Internal improvements

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## More apps by District One Mobile, LLC

- [Salsa Rhythm](https://appshunter.io/ios/app/salsa-rhythm/id379868541)
- [Clave Master](https://appshunter.io/ios/app/clave-master/id930135396)
- [Jazz Piano Voicings: Chords](https://appshunter.io/ios/app/jazz-piano-voicings-chords/id6755896700)
- [Latin Rhythm: Backing Tracks](https://appshunter.io/ios/app/latin-rhythm-backing-tracks/id6757296278)

All apps by District One Mobile, LLC: https://appshunter.io/developer/812513884

## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-05.*