# Xkey Plus vs UxMIDI Tools

The clearest difference is rating: UxMIDI Tools at 4.0 against Xkey Plus's 2.9. UxMIDI Tools also leads on update cadence (weekly vs every 3 months) and review sentiment (50% vs 36%). Xkey Plus's advantage is ratings volume (13 vs 1) and iOS requirement (9.3 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UxMIDI Tools holds the better App Store score, 4.0 against 2.9. That said, the two scores are not equally well evidenced: Xkey Plus has 13 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 36% of Xkey Plus's written reviews are positive against 50% of UxMIDI Tools's.

Xkey Plus ships an update every 3 months, UxMIDI Tools weekly. Both last shipped on October 10, 2026.

## The numbers

| Metric | Xkey Plus | UxMIDI Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (13 ratings)](https://appshunter.io/ios/app/xkey-plus/id698087460/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/uxmidi-tools/id1632044346/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 35.7% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | Free |
| Size | 9 MB | 6 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [ESI Audiotechnik GmbH](https://appshunter.io/developer/1627424644) | [CME PTE. LTD.](https://appshunter.io/developer/833376644) |

## What reviewers say

### Xkey Plus

[App page](https://appshunter.io/ios/app/xkey-plus/id698087460)

This app enhances the functionality of ESI Xkey musical keyboards on mobile devices. It allows users to update firmware, customize velocity curves, and configure key sensitivity and timings for an advanced user experience.

**Highlights:** Check for new Xkey firmware, Velocity curves editor, Configure Xkey sensitivity & timings, Access all Xkey parameters, Configure key & button assignments, Access Xkey documentation & support

**Features:** macOS Compatibility

**In-app purchases:** none


### UxMIDI Tools

[App page](https://appshunter.io/ios/app/uxmidi-tools/id1632044346)

Configure and update firmware for CME USB MIDI devices. Manage routing, mapping, and filtering of MIDI events for precise control over your music production hardware. Requires a USB lightning adapter for connection.

**Highlights:** Firmware updates for CME USB MIDI products, Full product configuration, MIDI routing management, MIDI mapping capabilities, MIDI event filtering, USB lightning adapter required

**In-app purchases:** none


## Frequently asked questions

### Is Xkey Plus free?

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

### Is UxMIDI Tools free?

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

### Which has better reviews, Xkey Plus or UxMIDI Tools?

UxMIDI Tools is rated higher. Xkey Plus averages 2.9 out of 5 from 13 ratings, while UxMIDI Tools averages 4.0 from 1 ratings.

### Do Xkey Plus or UxMIDI Tools have ads?

Neither Xkey Plus nor UxMIDI Tools shows ads.

### Which is updated more often, Xkey Plus or UxMIDI Tools?

Xkey Plus ships an update every 3 months, and UxMIDI Tools weekly. Most recently, Xkey Plus was updated on October 10, 2026 and UxMIDI Tools on October 10, 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.*