# Midiflow Adapter (Audiobus) vs SR

The clearest difference is iOS requirement: Midiflow Adapter (Audiobus) at 10.2 against SR's 15.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Midiflow Adapter (Audiobus) | SR |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/midiflow-adapter-audiobus/id1225817367/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Monetization | Paid | — |
| Size | 5 MB | 67 MB |
| Requires iOS | **10.2** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Studio Romann](https://appshunter.io/developer/6805713109) |

## What reviewers say

### Midiflow Adapter (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-adapter-audiobus/id1225817367)

This app bridges the gap for music applications that only support Core MIDI, enabling them to integrate with Audiobus 3. It creates virtual MIDI ports, allowing older music apps to send and receive MIDI data within the Audiobus 3 ecosystem.

**Highlights:** Creates permanent virtual MIDI ports, Supports up to 10 receiving apps, Supports up to 10 sending apps, Allows multiple instances in Audiobus 3, Translates between Core MIDI and Audiobus 3, Works with apps allowing MIDI port selection

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

**In-app purchases:** none


### SR

[App page](https://appshunter.io/ios/app/sr-sequencer/id6805713107)

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

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow Adapter (Audiobus) free?

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

### Is SR free?

SR costs $1.99, with no in-app purchases.

### Do Midiflow Adapter (Audiobus) or SR have ads?

Neither Midiflow Adapter (Audiobus) nor SR shows ads.

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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.*