# MESA Synth AUv3 vs Harmonaut

The clearest difference is price: Harmonaut at Free against MESA Synth AUv3's $8.99. Harmonaut also leads on update cadence (every 10 days vs every 2 months) and ratings volume (6 vs 1). On rating, review sentiment, ads and in-app purchases there is nothing between them.

Harmonaut is free to download; MESA Synth AUv3 costs $8.99 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 MESA Synth AUv3 against 5.0 for Harmonaut. That said, the two scores are not equally well evidenced: Harmonaut has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

MESA Synth AUv3 ships an update every 2 months, Harmonaut every 10 days. The most recent releases landed on October 13, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | MESA Synth AUv3 | Harmonaut |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mesa-synth-auv3/id6784279560/reviews) | [5.0 (6 ratings)](https://appshunter.io/ios/app/harmonaut/id6784680994/reviews) |
| Number of ratings | 1 | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 10 MB | 117 MB |
| Requires iOS | 18.4 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juan Maguid](https://appshunter.io/developer/1680114440) | [District One Mobile, LLC](https://appshunter.io/developer/812513884) |

## What reviewers say

### MESA Synth AUv3

[App page](https://appshunter.io/ios/app/mesa-synth-auv3/id6784279560)

This music creation tool transforms visuals into sound by rendering shaders and images into wavetables. It offers a powerful synthesis engine, extensive sound-shaping capabilities, and a full effects rack, all controllable through light and visual input.

**Highlights:** Visual-to-audio wavetable synthesis, Unison oscillator stack with sub-oscillator, Zero-delay-feedback filter, Vision panel for sound shaping with light, 26 stackable visual modifiers as audio effects, 8-stage stereo FX rack, Sampler mode with auto pitch-tracking

**Features:** Vision Pro support

**In-app purchases:** none


### Harmonaut

[App page](https://appshunter.io/ios/app/harmonaut/id6784680994)

Create music by feel without needing music theory. This app generates rich chords and smooth progressions, allowing you to shape the mood with intuitive controls. Save and reorder your musical ideas effortlessly.

**Highlights:** Play by feel, no theory required, Shape mood with tension and brightness faders, Smooth voice leading for flowing progressions, Chords named for musicians, Save and reorder progressions, Works on iPhone and iPad

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MESA Synth AUv3 free?

MESA Synth AUv3 costs $8.99, with no in-app purchases.

### Is Harmonaut free?

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

### Which has better reviews, MESA Synth AUv3 or Harmonaut?

MESA Synth AUv3 and Harmonaut are both rated 5.0 out of 5 on the App Store, from 1 and 6 ratings respectively.

### Do MESA Synth AUv3 or Harmonaut have ads?

Neither MESA Synth AUv3 nor Harmonaut shows ads.

### Which is updated more often, MESA Synth AUv3 or Harmonaut?

MESA Synth AUv3 ships an update every 2 months, and Harmonaut every 10 days. Most recently, MESA Synth AUv3 was updated on October 13, 2026 and Harmonaut on October 8, 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.*