# MIDI Designer Pro X vs AX

The clearest difference is review sentiment: MIDI Designer Pro X at 79% against AX's 22%. MIDI Designer Pro X also leads on rating (4.6 vs 1.5) and update cadence (every 5 days vs every 8 months). AX's advantage is in-app purchases (none vs 9) and iOS requirement (9.0 vs 18.6). On price, ads and device support there is nothing between them.

Both are free to download. MIDI Designer Pro X sells 9 in-app purchases, starting at $1.49 per month. AX asks for nothing beyond the download.

MIDI Designer Pro X holds the better App Store score, 4.6 against 1.5. That said, the two scores are not equally well evidenced: MIDI Designer Pro X has 272 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 79% of MIDI Designer Pro X's written reviews are positive against 22% of AX's.

MIDI Designer Pro X ships an update every 5 days, AX every 8 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | MIDI Designer Pro X | AX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (272 ratings)](https://appshunter.io/ios/app/midi-designer-pro-x/id492291712/reviews)** | [1.5 (17 ratings)](https://appshunter.io/ios/app/ax-edge-editor/id1413621998/reviews) |
| Number of ratings | **272** | 17 |
| Positive reviews | **78.8% of reviews** | 22.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 8 months |
| Monetization | Freemium | **Free** |
| Size | 209 MB | 41 MB |
| Requires iOS | 18.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Confusion Studios LLC](https://appshunter.io/developer/492291715) | [Roland Corporation](https://appshunter.io/developer/387333694) |

## What reviewers say

### MIDI Designer Pro X

[App page](https://appshunter.io/ios/app/midi-designer-pro-x/id492291712)

This app is a professional-grade, customizable MIDI controller for music production. It allows users to control any MIDI-enabled hardware or software, with extensive community-created layouts and powerful 'superpowers' for advanced MIDI manipulation. It supports AUv3 plugins and offers robust network, Bluetooth, and USB MIDI communication.

**Highlights:** Control any MIDI-enabled hardware/software, AUv3 MIDI Processor Extension, Reliable MIDI communication (Network, Bluetooth, USB), Extensive user layout library (350+ layouts), Powerful 'Superpowers' for MIDI manipulation, Community support and layout sharing

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MDPx Premium iPhone Only | $1.49 | per month |
| MDPx Premium iPad Only | $2.49 | per month |
| MDPx Premium iPad, iPhone | $2.99 | per month |
| MDPx Premium Mac, iPad, iPhone | $4.99 | per month |
| MDPx Premium iPhone Only | $14.99 | per year |
| MDPx Premium iPad Only | $24.99 | per year |
| MDPx Premium iPad, iPhone | $29.99 | per year |
| MDPx Premium Mac, iPad, iPhone | $49.99 | per year |
| MDPx Premium Lifetime | $124.99 | one-time |


### AX

[App page](https://appshunter.io/ios/app/ax-edge-editor/id1413621998)

This application allows users to customize their AX-Edge device by creating original sounds, editing system effects, and organizing sound lists for various performance needs. It connects wirelessly via Bluetooth for seamless integration.

**Highlights:** Create original sounds (programs and tones), Edit system effects (EQ, reverb), Organize sound lists for performances, Wireless Bluetooth connection, Customize output sound for venues

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MIDI Designer Pro X free?

MIDI Designer Pro X is free to download, with in-app purchases available.

### Is AX free?

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

### Which has better reviews, MIDI Designer Pro X or AX?

MIDI Designer Pro X is rated higher. MIDI Designer Pro X averages 4.6 out of 5 from 272 ratings, while AX averages 1.5 from 17 ratings.

### Do MIDI Designer Pro X or AX have ads?

Neither MIDI Designer Pro X nor AX shows ads.

### Which is updated more often, MIDI Designer Pro X or AX?

MIDI Designer Pro X ships an update every 5 days, and AX every 8 months. Most recently, MIDI Designer Pro X was updated on November 6, 2026 and AX on November 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.*