Comparison

mfxMonitor vs MIDI FX

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • MIDI event display
  • Textual and hex format
  • Timestamped events
  • Clear event log
  • AUv3 compatible
  • CoreMIDI compatible
Features
Read full description

* 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

About

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.

Highlights
  • MIDI signal processing
  • Harmonize and Transpose
  • Sequencer for synths
  • Delay and Looper
  • Filter notes by velocity
  • Internal instruments
Features
Read full description

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

mfxMonitor1 screens
MIDI FX2 screens

Verdict

The call

The clearest difference is rating: MIDI FX at 5.0 against mfxMonitor's 4.0. MIDI FX also leads on update cadence (every 9 days vs every 2 months). mfxMonitor's advantage is in-app purchases (none vs 1) and iOS requirement (9.0 vs 14.7). On price, ratings volume, ads and monetization model 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. MIDI FX sells 1 one-off in-app purchase. mfxMonitor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MIDI FX holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 4 respectively.

UpkeepUpdate frequency

mfxMonitor ships an update every 2 months, MIDI FX every 9 days. The most recent releases landed on October 9, 2026 and October 6, 2026 respectively.

Scorecard4 real differences · 6 level
mfxMonitor versus MIDI FX: the parameters behind the verdict, then further details
ParametermfxMonitorMIDI FX
PriceFreeFree
Rating4.0 (4 ratings)5.0 (4 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings44
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS9.0 — better14.7
Further details — not scored
Size2 MB263 MB
Age rating4+4+
DeveloperAudeonic AppsJorge Arroyo

Customer experience

mfxMonitor

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

MIDI FX

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

mfxMonitor

No in-app purchases

1 purchases

MIDI FX

One-time1
  • Unlock app$9.99

Questions

Is mfxMonitor free?
mfxMonitor 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, mfxMonitor or MIDI FX?
MIDI FX is rated higher. mfxMonitor averages 4.0 out of 5 from 4 ratings, while MIDI FX averages 5.0 from 4 ratings.
Do mfxMonitor or MIDI FX have ads?
Neither mfxMonitor nor MIDI FX shows ads.
Which is updated more often, mfxMonitor or MIDI FX?
mfxMonitor ships an update every 2 months, and MIDI FX every 9 days. Most recently, mfxMonitor was updated on October 9, 2026 and MIDI FX on October 6, 2026.

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