MIDI Expression Control vs MIDI FX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MIDI Expression Control
This application allows users to modify settings for MIDI Expression devices. Ensure your device has firmware version 2.6 or higher for iOS compatibility.
- Change device settings
- Compatible with MIDI Expression devices
- iOS firmware compatibility check
- Free to download
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This is the Control Application for MIDI Expression devices. It lets you change settings for the devices. Please note that the iOS version of the Control Application is only compatible with devices running firmware version 2.6 and up.
MIDI FX
This app allows you to control and process MIDI signals for music creation. It offers features like harmonization, transposition, and sequencing, enabling you to control external or virtual synthesizers and create complex musical arrangements.
- MIDI signal processing
- Harmonize and Transpose
- Sequencer for synths
- Delay and Looper
- Filter notes by velocity
- Internal instruments
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Buy once and get the iOS and Mac apps (with Family Sharing) Control your MIDI signals and process them in any combination of ways: Harmonize, Transpose, Arpeggiate, etc... Or use the Sequencer to play any external or virtual synth. Use a MIDI interface to unlock the power of the app to control multiple synths with one keyboard, play one note and generate chords, basslines, etc... Use the delay/looper or filter notes based on velocity or other parameters to send to different synths/effects. A MIDI workstation in your pocket (or your iPad/Mac) You can also use some internal instruments (drums sampler, piano or synth) if you are away from your MIDI gear, and sequence whole songs inside the app, or use other synth apps as input/output for MIDI FX. Your imagination is the limit!
Screenshots
Verdict
The clearest difference is in-app purchases: MIDI Expression Control at none against MIDI FX's 1. MIDI Expression Control also leads on iOS requirement (12.0 vs 14.7). MIDI FX's advantage is update cadence (every 9 days vs every 6 months). On price, rating, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. MIDI FX sells 1 one-off in-app purchase. MIDI Expression Control asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for MIDI Expression Control against 5.0 for MIDI FX. Both are backed by a comparable volume of ratings — 6 and 4 respectively.
MIDI Expression Control ships an update every 6 months, MIDI FX every 9 days. The most recent releases landed on September 23, 2026 and October 6, 2026 respectively.
| Parameter | MIDI Expression Control | MIDI FX |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (6 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | 4 |
| Update frequency | Every 6 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 12.0 — better | 14.7 |
| Further details — not scored | ||
| Size | 6 MB | 263 MB |
| Age rating | 4+ | 4+ |
| Developer | Robert Jonkman | Jorge Arroyo |
Customer experience
MIDI Expression Control
MIDI FX
In-app purchases
MIDI Expression Control
No in-app purchases
MIDI FX
- Unlock app$9.99
Questions
Is MIDI Expression Control free?
Is MIDI FX free?
Which has better reviews, MIDI Expression Control or MIDI FX?
Do MIDI Expression Control or MIDI FX have ads?
Which is updated more often, MIDI Expression Control or MIDI FX?
Other comparisons
