---
title: "Midiflow Transposer (Audiobus) — App Overview"
url: https://marlvel.ai/apps/midiflow-transposer-audiobus
category: Music
developer: Johannes Doerr
platforms: ios, android
rating: 4.3 (7 ratings)
pricing: free
report_level: overview
generated: 2026-04-28
last_verified: "2026-04-28T10:53:59.708Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** This is a specialized, free MIDI utility that requires Audiobus 3 to function as a signal processor for live performance or composition.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Music |
| Rating | 4.3 ★ (7) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.0.7 |
| Latest Version (Android) | 1.1.1 |
| Developer | Johannes Doerr |

<!-- SECTION: Summary -->
## What is Midiflow Transposer (Audiobus)?

Midiflow Transposer is a MIDI effect utility for Audiobus 3 designed to shift incoming note data by octaves or half-tones. It enables musicians to transpose external keyboard input or generate harmonies by layering multiple instances within the Audiobus pipeline. The app is notable for its focused functionality and free availability.

<!-- SECTION: Key Features -->
## Key Features

- **Half-tone shifting**: Allows users to transpose MIDI note data in precise half-tone increments.
- **Octave shifting**: Provides the ability to shift incoming notes by full octave intervals.
- **Multi-instance support**: Supports the use of multiple instances within Audiobus MIDI effect ports for complex routing.

<!-- SECTION: Target Audience -->
## Who is it for?

Musicians and producers using Audiobus 3 who require real-time MIDI transposition or harmonic layering.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/midiflow-transposer-audiobus/id1175575102?uo=4)
- [Google Play](https://play.google.com/store/apps/details?id=com.tcusick.transposern&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/apps/midiflow-transposer-audiobus)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/apps/midiflow-transposer-audiobus).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*