# Midiflow vs KeyStage Lite

The clearest difference is price: KeyStage Lite at Free against Midiflow's $7.99. KeyStage Lite also leads on in-app purchases (none vs 3). Midiflow's advantage is update cadence (every 5 weeks vs every 3 months) and ratings volume (39 vs 7). On rating, review sentiment and ads there is nothing between them.

KeyStage Lite is free to download; Midiflow costs $7.99 up front. Midiflow sells 3 one-off in-app purchases. KeyStage Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.0 for Midiflow against 4.0 for KeyStage Lite. That said, the two scores are not equally well evidenced: Midiflow has 39 ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 59% of Midiflow's written reviews are positive against 60% of KeyStage Lite's.

Midiflow ships an update every 5 weeks, KeyStage Lite every 3 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Midiflow | KeyStage Lite |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | [4.0 (39 ratings)](https://appshunter.io/ios/app/midiflow/id879915554/reviews) | [4.0 (7 ratings)](https://appshunter.io/ios/app/keystage-lite/id1437899019/reviews) |
| Number of ratings | **39** | 7 |
| Positive reviews | 58.8% of reviews | **60.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 61 MB |
| Requires iOS | **9.0** | 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

[App page](https://appshunter.io/ios/app/midiflow/id879915554)

This app enables seamless MIDI data transfer between different applications on your device. It allows for app synchronization, routing MIDI from sequencers to synths, and assigning keyboard zones. Users can save and recall configurations, and monitor MIDI activity.

**Highlights:** App-to-app MIDI routing, MIDI clock synchronization, Channel filtering and remapping, Note and velocity manipulation, Custom virtual MIDI ports, Preset saving and recall, Controller filtering and remapping (in-app purchase)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Send Controller On Load | $1.99 | one-time |
| Controller Conditions | $2.99 | one-time |
| Controller Remapping | $3.99 | one-time |

**What reviewers like**

- 👍 Comprehensive MIDI routing
- 💡 Flexible MIDI manipulation
- 🚀 Powerful functionality
- ✨ Intuitive interface (for some)
- ✅ Works in background

**What reviewers complain about**

- 🐛 Frequent crashes
- 🐛 App doesn't open
- 🐛 App closes immediately
- 🐛 Bugs and quirks
- 🐛 Unreliable for live use

**Reported bugs**

- Frequent crashes while editing CC map
- Mapped CCs dropped during performance
- App does not open on iOS 10
- Layout issues on iPhone 11 (no 'Done' button)
- App stops working, opens for 2 seconds then closes

**Requested features**

- AUv3 plugin version
- Mass sharing of songs
- Dark mode
- Ability to map multiple notes from one key press
- Individual transpose for split zones


### 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 free?

Midiflow costs $7.99, and also offers in-app purchases.

### Is KeyStage Lite free?

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

### Which has better reviews, Midiflow or KeyStage Lite?

Midiflow and KeyStage Lite are both rated 4.0 out of 5 on the App Store, from 39 and 7 ratings respectively.

### Do Midiflow or KeyStage Lite have ads?

Neither Midiflow nor KeyStage Lite shows ads.

### Which is updated more often, Midiflow or KeyStage Lite?

Midiflow ships an update every 5 weeks, and KeyStage Lite every 3 months. Most recently, Midiflow was updated on October 12, 2026 and KeyStage Lite on October 7, 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.*