# Midiflow Splitter (Audiobus) vs KeyStage Lite

The clearest difference is price: KeyStage Lite at Free against Midiflow Splitter (Audiobus)'s $2.99. KeyStage Lite also leads on rating (3.9 vs 3.4) and review sentiment (60% vs 31%). Midiflow Splitter (Audiobus)'s advantage is chart position (#188 vs unranked) and device support (3 vs 1). On ratings volume, ads and in-app purchases there is nothing between them.

KeyStage Lite is free to download; Midiflow Splitter (Audiobus) costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KeyStage Lite holds the better App Store score, 3.9 against 3.4. Both are backed by a comparable volume of ratings — 10 and 8 respectively. Written reviews point the same way: 31% of Midiflow Splitter (Audiobus)'s written reviews are positive against 60% of KeyStage Lite's.

Midiflow Splitter (Audiobus) ships an update every 11 months, KeyStage Lite every 3 months. Both last shipped on November 2, 2026.

## The numbers

| Metric | Midiflow Splitter (Audiobus) | KeyStage Lite |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.4 (10 ratings)](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188/reviews) | **[3.9 (8 ratings)](https://appshunter.io/ios/app/keystage-lite/id1437899019/reviews)** |
| Number of ratings | **10** | 8 |
| Positive reviews | 31.3% of reviews | **60.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#188** | — |
| Size | 5 MB | 61 MB |
| Requires iOS | **10.2** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Doerr](https://appshunter.io/developer/622204117) | [Ali Gokturk](https://appshunter.io/developer/1406132633) |

## What reviewers say

### Midiflow Splitter (Audiobus)

[App page](https://appshunter.io/ios/app/midiflow-splitter-audiobus/id1104669188)

**Currently charting:** #188 Top Paid · Music (US App Store)

This MIDI effect app allows musicians to divide their external keyboard into multiple zones, assigning each zone to different synth apps. It offers powerful configuration options for split and layer setups, including octave transposition and controller assignment per synth.

**Highlights:** Create split and layer configurations, Assign key zones to synth apps, Transpose each synth app in octaves, Control active controllers per synth, Solo individual synth sounds, Supports multiple keyboards

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

**In-app purchases:** none


### KeyStage Lite

[App page](https://appshunter.io/ios/app/keystage-lite/id1437899019)

This app acts as a master controller and audio mixer for keyboard players. It allows simultaneous control of multiple hardware and software instruments using various MIDI controllers. Organize songs into sections, customize instrument sounds, and manage MIDI mappings with advanced scripting capabilities.

**Highlights:** Control multiple MIDI controllers and instruments, Host AUv3 instruments and effects, Create complex keyboard splits and layers, Advanced MIDI mapping and scripting, Audio mixer with track control, Play and manage audio files, View PDF and JPG files

**In-app purchases:** none


## Frequently asked questions

### Is Midiflow Splitter (Audiobus) free?

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

### Is KeyStage Lite free?

KeyStage Lite is free to download, with no in-app purchases.

### Which has better reviews, Midiflow Splitter (Audiobus) or KeyStage Lite?

KeyStage Lite is rated higher. Midiflow Splitter (Audiobus) averages 3.4 out of 5 from 10 ratings, while KeyStage Lite averages 3.9 from 8 ratings.

### Do Midiflow Splitter (Audiobus) or KeyStage Lite have ads?

Neither Midiflow Splitter (Audiobus) nor KeyStage Lite shows ads.

### Which is updated more often, Midiflow Splitter (Audiobus) or KeyStage Lite?

Midiflow Splitter (Audiobus) ships an update every 11 months, and KeyStage Lite every 3 months. Most recently, Midiflow Splitter (Audiobus) was updated on November 2, 2026 and KeyStage Lite on November 2, 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.*