# MIDI Expression Control vs MIDI FX

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.

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.

## The numbers

| Metric | MIDI Expression Control | MIDI FX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/midi-expression-control/id1200670783/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/midi-fx/id1641511918/reviews) |
| Number of ratings | **6** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 6 MB | 263 MB |
| Requires iOS | **12.0** | 14.7 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Robert Jonkman](https://appshunter.io/developer/1200670782) | [Jorge Arroyo](https://appshunter.io/developer/548989572) |

## What reviewers say

### MIDI Expression Control

[App page](https://appshunter.io/ios/app/midi-expression-control/id1200670783)

This application allows users to modify settings for MIDI Expression devices. Ensure your device has firmware version 2.6 or higher for iOS compatibility.

**Highlights:** Change device settings, Compatible with MIDI Expression devices, iOS firmware compatibility check, Free to download

**In-app purchases:** none


### MIDI FX

[App page](https://appshunter.io/ios/app/midi-fx/id1641511918)

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.

**Highlights:** MIDI signal processing, Harmonize and Transpose, Sequencer for synths, Delay and Looper, Filter notes by velocity, Internal instruments

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock app | $9.99 | one-time |


## Frequently asked questions

### Is MIDI Expression Control free?

MIDI Expression Control is free to download, with no in-app purchases.

### Is MIDI FX free?

MIDI FX is free to download, with in-app purchases available.

### Which has better reviews, MIDI Expression Control or MIDI FX?

MIDI Expression Control and MIDI FX are both rated 5.0 out of 5 on the App Store, from 6 and 4 ratings respectively.

### Do MIDI Expression Control or MIDI FX have ads?

Neither MIDI Expression Control nor MIDI FX shows ads.

### Which is updated more often, MIDI Expression Control or MIDI FX?

MIDI Expression Control ships an update every 6 months, and MIDI FX every 9 days. Most recently, MIDI Expression Control was updated on September 23, 2026 and MIDI FX on October 6, 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.*