# M vs MIDI FX PRO

The clearest difference is review sentiment: MIDI FX PRO at 50% against M's 0%. MIDI FX PRO also leads on rating (5.0 vs 2.5) and in-app purchases (none vs 5). M's advantage is price (Free vs $9.99) and iOS requirement (12.0 vs 14.7). On ratings volume, update cadence and device support there is nothing between them.

M is free to download; MIDI FX PRO costs $9.99 up front. M sells 5 in-app purchases, starting at $3.49 per month. MIDI FX PRO asks for nothing beyond the download.

MIDI FX PRO holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews point the same way: 0% of M's written reviews are positive against 50% of MIDI FX PRO's.

M ships an update every 3 weeks, MIDI FX PRO monthly. The most recent releases landed on October 9, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | M | MIDI FX PRO |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/m-gen/id1484274043/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/midi-fx-pro/id6444039855/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 25 MB | 263 MB |
| Requires iOS | **12.0** | 14.7 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Nick Carter-Bond](https://appshunter.io/developer/1162644925) | [Jorge Arroyo](https://appshunter.io/developer/548989572) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-gen/id1484274043)

This app automatically composes original music based on your chosen settings for duration, tempo, and style. You can refine compositions by liking or disliking sections, and export generated music in MP3, MIDI, or sheet music formats. It's designed for content creators, producers, and music enthusiasts.

**Highlights:** Automated music composition, Customizable duration, tempo, and style, Like/Dislike feedback for refinement, Export in MP3, MIDI, and PDF formats, Track Editor for rewriting sections, Separate track generation (melody, harmony, bass, percussion)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Commercial Use License | $3.49 | per month |
| Sharing Pack | $4.49 | per month |
| Library Expansion (+50 slots) | $2.99 | one-time |
| Library Expansion (+100 slots) | $4.99 | one-time |
| Downloads Pack | $6.99 | one-time |


### MIDI FX PRO

[App page](https://appshunter.io/ios/app/midi-fx-pro/id6444039855)

This app is a powerful MIDI workstation for iOS and Mac, allowing users to control and process MIDI signals. It offers features like harmonization, transposition, arpeggiation, and sequencing for external or virtual synths. It also includes internal instruments and effects for mobile music creation.

**Highlights:** MIDI signal processing, Harmonize, Transpose, Arpeggiate, Sequencer for synths, Delay/looper, Internal instruments (drums, piano, synth), Filter notes by velocity

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is MIDI FX PRO free?

MIDI FX PRO costs $9.99, with no in-app purchases.

### Which has better reviews, M or MIDI FX PRO?

MIDI FX PRO is rated higher. M averages 2.5 out of 5 from 4 ratings, while MIDI FX PRO averages 5.0 from 3 ratings.

### Which is updated more often, M or MIDI FX PRO?

M ships an update every 3 weeks, and MIDI FX PRO monthly. Most recently, M was updated on October 9, 2026 and MIDI FX PRO on October 24, 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.*