# Musk MIDI Player vs Harmonicer

The clearest difference is update cadence: Harmonicer at every 4 days against Musk MIDI Player's every 4 months. Harmonicer also leads on review sentiment (80% vs 56%) and device support (4 vs 2). Musk MIDI Player's advantage is price ($1.99 vs $4.99). On rating, ratings volume, ads and in-app purchases there is nothing between them.

Musk MIDI Player costs $1.99 and Harmonicer $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Harmonicer holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 8 and 12 respectively. Written reviews point the same way: 56% of Musk MIDI Player's written reviews are positive against 80% of Harmonicer's.

Musk MIDI Player ships an update every 4 months, Harmonicer every 4 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Musk MIDI Player | Harmonicer |
| --- | --- | --- |
| Price | **$1.99** | $4.99 |
| Rating | [4.5 (8 ratings)](https://appshunter.io/ios/app/musk-midi-player/id781483331/reviews) | **[4.7 (12 ratings)](https://appshunter.io/ios/app/harmonicer/id6468485333/reviews)** |
| Number of ratings | 8 | **12** |
| Positive reviews | 56.3% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Size | 16 MB | 23 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Dr. Garbers Softwareentwicklung](https://appshunter.io/developer/549623621) | [Kai Aras](https://appshunter.io/developer/370820899) |

## What reviewers say

### Musk MIDI Player

[App page](https://appshunter.io/ios/app/musk-midi-player/id781483331)

Play MIDI files with customizable sounds and playback speeds. This app allows you to transpose, mute tracks, and follow notes on a virtual keyboard. It also supports lyrics display and spoken announcements for bars and beats.

**Highlights:** Load MIDI files and sound libraries, Adjust playback speed and transpose, Visualize notes on a keyboard, Display and speak lyrics, Mute or solo tracks, Integrated web search for MIDI files, Support for various audio formats

**Features:** Vision Pro support

**In-app purchases:** none


### Harmonicer

[App page](https://appshunter.io/ios/app/harmonicer/id6468485333)

This app generates musical inspiration by combining MIDI quantization, harmonization, and arpeggiation. It offers extensive scale support and allows for the creation of complex chords and rhythmic patterns to enhance musical compositions.

**Highlights:** MIDI Quantizer with 20+ scales, Custom scale support, Harmonizer with up to 4 voices, Arpeggiator with 10 modes, Process MIDI from any source, Standalone use with internal keyboard

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Musk MIDI Player free?

Musk MIDI Player costs $1.99, with no in-app purchases.

### Is Harmonicer free?

Harmonicer costs $4.99, with no in-app purchases.

### Which has better reviews, Musk MIDI Player or Harmonicer?

Harmonicer is rated higher. Musk MIDI Player averages 4.5 out of 5 from 8 ratings, while Harmonicer averages 4.7 from 12 ratings.

### Do Musk MIDI Player or Harmonicer have ads?

Neither Musk MIDI Player nor Harmonicer shows ads.

### Which is updated more often, Musk MIDI Player or Harmonicer?

Musk MIDI Player ships an update every 4 months, and Harmonicer every 4 days. Most recently, Musk MIDI Player was updated on October 23, 2026 and Harmonicer on October 25, 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.*