# Midiflow Motion (Audiobus) vs Harmonic Explorer

The clearest difference is price: Harmonic Explorer at $0.99 against Midiflow Motion (Audiobus)'s $1.99. Midiflow Motion (Audiobus)'s advantage is iOS requirement (10.2 vs 15.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Midiflow Motion (Audiobus) costs $1.99 and Harmonic Explorer $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Midiflow Motion (Audiobus) ships an update every 11 months, Harmonic Explorer every 7 months. The most recent releases landed on September 30, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Midiflow Motion (Audiobus) | Harmonic Explorer |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/midiflow-motion-audiobus/id1107254489/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 7 months** |
| Monetization | Paid | — |
| Size | 5 MB | 2 MB |
| Requires iOS | **10.2** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Philippe Zay](https://appshunter.io/developer/1200498230) |

## What reviewers say

### Midiflow Motion (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-motion-audiobus/id1107254489)

Control effect parameters in other music apps by moving your device. Fine-tune MIDI commands like volume or modulation to your desired motion range for expressive control. Supports multiple parameters and apps simultaneously through Audiobus 3.

**Highlights:** Control effect parameters with device motion, Use device rotation (X/Y axis), Adjust motion and output value ranges, Send any MIDI command (pitch-bend, CC, custom), Control multiple parameters/apps simultaneously, Integrates with Audiobus 3

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

**In-app purchases:** none


### Harmonic Explorer

[App page](https://appshunter.io/ios/app/harmonic-explorer/id6747025974)

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

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow Motion (Audiobus) free?

Midiflow Motion (Audiobus) costs $1.99, with no in-app purchases.

### Is Harmonic Explorer free?

Harmonic Explorer costs $0.99, with no in-app purchases.

### Do Midiflow Motion (Audiobus) or Harmonic Explorer have ads?

Neither Midiflow Motion (Audiobus) nor Harmonic Explorer shows ads.

### Which is updated more often, Midiflow Motion (Audiobus) or Harmonic Explorer?

Midiflow Motion (Audiobus) ships an update every 11 months, and Harmonic Explorer every 7 months. Most recently, Midiflow Motion (Audiobus) was updated on September 30, 2026 and Harmonic Explorer on September 21, 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.*