# Midiflow Channels (Audiobus) vs shortReverse II

The clearest difference is update cadence: shortReverse II at every 2 days against Midiflow Channels (Audiobus)'s every 12 months. Midiflow Channels (Audiobus)'s advantage is price ($1.99 vs $3.99) and iOS requirement (10.2 vs 12.0). On ads, in-app purchases and device support there is nothing between them.

Midiflow Channels (Audiobus) costs $1.99 and shortReverse II $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Midiflow Channels (Audiobus) ships an update every 12 months, shortReverse II every 2 days. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Midiflow Channels (Audiobus) | shortReverse II |
| --- | --- | --- |
| Price | **$1.99** | $3.99 |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/midiflow-channels-audiobus/id1224840760/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 days** |
| Monetization | Paid | — |
| Size | 5 MB | 14 MB |
| Requires iOS | **10.2** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Satoshi Kajii](https://appshunter.io/developer/1777441634) |

## What reviewers say

### Midiflow Channels (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-channels-audiobus/id1224840760)

This music app acts as a MIDI effect for Audiobus 3, enabling users to filter and remap MIDI messages across specific channels. It allows for granular control over MIDI data flow within your audio setup.

**Highlights:** Filter MIDI messages by channel, Remap MIDI channels, Use multiple instances, Integrates with Audiobus 3

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

**In-app purchases:** none


### shortReverse II

[App page](https://appshunter.io/ios/app/shortreverse-ii/id6745790955)

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow Channels (Audiobus) free?

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

### Is shortReverse II free?

shortReverse II costs $3.99, with no in-app purchases.

### Do Midiflow Channels (Audiobus) or shortReverse II have ads?

Neither Midiflow Channels (Audiobus) nor shortReverse II shows ads.

### Which is updated more often, Midiflow Channels (Audiobus) or shortReverse II?

Midiflow Channels (Audiobus) ships an update every 12 months, and shortReverse II every 2 days. Most recently, Midiflow Channels (Audiobus) was updated on November 2, 2026 and shortReverse II on October 28, 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.*