# Midi Amuser vs Compositor NTP

The clearest difference is price: Midi Amuser at Free against Compositor NTP's $2.99. Midi Amuser also leads on update cadence (every 5 weeks vs every 2 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Midi Amuser is free to download; Compositor NTP costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Midi Amuser ships an update every 5 weeks, Compositor NTP every 2 months. The most recent releases landed on August 4, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | Midi Amuser | Compositor NTP |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.8 (5 ratings)](https://appshunter.io/ios/app/midi-amuser/id1638630892/reviews)** | — |
| Number of ratings | **5** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 4 MB | 4 MB |
| Requires iOS | **15.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tilmann Schuepfer](https://appshunter.io/developer/1629069676) | [Ruslan Yusipov](https://appshunter.io/developer/1598799633) |

## 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


### Compositor NTP

[App page](https://appshunter.io/ios/app/compositor-ntp/id6450834018)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Midi Amuser free?

Midi Amuser is free to download, with no in-app purchases.

### Is Compositor NTP free?

Compositor NTP costs $2.99, with no in-app purchases.

### Do Midi Amuser or Compositor NTP have ads?

Neither Midi Amuser nor Compositor NTP shows ads.

### Which is updated more often, Midi Amuser or Compositor NTP?

Midi Amuser ships an update every 5 weeks, and Compositor NTP every 2 months. Most recently, Midi Amuser was updated on August 4, 2026 and Compositor NTP on June 4, 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.*