# Midiflow Keyboard (Audiobus) vs SR

The clearest difference is chart position: SR at #199 against Midiflow Keyboard (Audiobus)'s unranked. SR also leads on price ($1.99 vs $2.99). Midiflow Keyboard (Audiobus)'s advantage is iOS requirement (10.2 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Midiflow Keyboard (Audiobus) costs $2.99 and SR $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Midiflow Keyboard (Audiobus) | SR |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/midiflow-keyboard-audiobus/id1092870508/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Paid | — |
| Best chart rank | — | **#199** |
| 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 Keyboard (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-keyboard-audiobus/id1092870508)

This music app provides a versatile keyboard interface for controlling multiple synth applications simultaneously. It offers various layouts, including piano, scales, and chords, with customizable controls for pitch, modulation, and note velocity. Designed to integrate seamlessly with Audiobus 3, it enhances mobile music production.

**Highlights:** Piano, scale, and chord layouts, Multiple independent keyboard strips, Adjustable key range and octaves, Pitch-bend and modulation wheels, Hold mode with unisono option, Velocity control via touch or accelerometer, Split View/Slide Over support

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

**In-app purchases:** none


### SR

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

**Currently charting:** #199 Top Paid · Music (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow Keyboard (Audiobus) free?

Midiflow Keyboard (Audiobus) costs $2.99, with no in-app purchases.

### Is SR free?

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

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

Neither Midiflow Keyboard (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.*