# Midi Amuser vs MIDI FX

The clearest difference is in-app purchases: Midi Amuser at none against MIDI FX's 1. MIDI FX's advantage is update cadence (every 9 days vs every 5 weeks) and device support (4 vs 2). 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 Amuser asks for nothing beyond the download.

MIDI FX holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 6 and 5 respectively.

Midi Amuser ships an update every 5 weeks, MIDI FX every 9 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | Midi Amuser | MIDI FX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6 ratings)](https://appshunter.io/ios/app/midi-amuser/id1638630892/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/midi-fx/id1641511918/reviews)** |
| Number of ratings | **6** | 5 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free | Free |
| Size | 4 MB | 263 MB |
| Requires iOS | 15.0 | **14.7** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Tilmann Schuepfer](https://appshunter.io/developer/1629069676) | [Jorge Arroyo](https://appshunter.io/developer/548989572) |

## What reviewers say

### Midi Amuser

[App page](https://appshunter.io/ios/app/midi-amuser/id1638630892)

This app allows you to connect, control, and record up to 10 MIDI instruments and controllers across 10 tracks. It manages routing, recalls instrument states, and enables live looping and complex song arrangements with a stable clock and zero latency.

**Highlights:** Connect up to 10 MIDI instruments, Connect up to 10 MIDI controllers, Zero latency, Step sequencer, Manage synth patches, Record and arrange MIDI events on 10 tracks, Arrange up to 16 song parts

**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 Amuser free?

Midi Amuser 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 Amuser or MIDI FX?

MIDI FX is rated higher. Midi Amuser averages 4.8 out of 5 from 6 ratings, while MIDI FX averages 5.0 from 5 ratings.

### Do Midi Amuser or MIDI FX have ads?

Neither Midi Amuser nor MIDI FX shows ads.

### Which is updated more often, Midi Amuser or MIDI FX?

Midi Amuser ships an update every 5 weeks, and MIDI FX every 9 days. Most recently, Midi Amuser was updated on November 3, 2026 and MIDI FX on November 3, 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.*