mfxMonitor vs Midi Amuser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mfxMonitor
This utility displays incoming MIDI events in both text and hex format with timestamps. It offers a clear button to reset the event log and is part of a series of powerful MIDI plugins for music production.
- MIDI event display
- Textual and hex format
- Timestamped events
- Clear event log
- AUv3 compatible
- CoreMIDI compatible
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* MIDI MONITOR * (AUv3 or CoreMIDI Effect) Does the World need another MIDI Monitor? We thought so, and it's free, so you have nothing to lose to add this handy little utility to your app collection. Any MIDI events received by the plugin are displayed in a scrolling window in both textual form and also the lower level hex bytes with timestamps. Once you get sick of the events you can press the 'clear' button to wipe them out of your life forever. * ABOUT mfxSeries * mfxSeries is a set of compact but powerful plugins for CoreMIDI or AUv3 hosts. Covering a range of use cases from common everyday MIDI manipulation tasks to creatively ambitious effects. Each plugin in the mfxSeries can be controlled and automated from the host as all controls are exposed as AUv3 parameters. mfxSeries plugins are built using the MidiBus library - http://midib.us
Midi Amuser
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.
- 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
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Midi Amuser lets you connect, control and record up to 10 instruments on 10 tracks with up to 10 input devices. It will take care of your routing, recall your instruments’ CC states across songs and arrangements. It lets you make live loops as well as create complex song arrangements. - make it the center of your MIDI setup - connect up to 10 MIDI instruments - connect up to 10 MIDI controllers - zero latency - stable clock - step sequencer - use a foot switch to record after the fact - manage all your synths’ patches - automatically save and recall Control Change states of your instruments - record, copy, quantise Midi events on up to 10 tracks - arrange up to 16 song parts - make templates for live performances - loop and arrange live - import and export songs
Screenshots
Verdict
The clearest difference is rating: Midi Amuser at 4.8 against mfxMonitor's 4.0. mfxMonitor's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, update cadence 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. Neither carries in-app purchases, so what you see is what you pay.
Midi Amuser holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 4 and 6 respectively.
mfxMonitor ships an update every 2 months, Midi Amuser every 5 weeks. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.
| Parameter | mfxMonitor | Midi Amuser |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) | 4.8 (6 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 4 | 6 — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 2 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Audeonic Apps | Tilmann Schuepfer |
Customer experience
mfxMonitor
Midi Amuser
In-app purchases
mfxMonitor
No in-app purchases
Midi Amuser
No in-app purchases








