Xkey Plus vs UxMIDI Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Xkey Plus
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.
- Check for new Xkey firmware
- Velocity curves editor
- Configure Xkey sensitivity & timings
- Access all Xkey parameters
- Configure key & button assignments
- Access Xkey documentation & support
Read full descriptionHide full description
◆◆◆ Xkey Plus ◆◆◆ This app is dedicated to ESI Xkey musical keyboard. It is an ideal companion to your mobile keyboard. FEATURES ◆ Check for new Xkey firmware ◆ Velocity curves editor ◆ In-depth configuration of Xkey sensitivity & timings (advanced users) ◆ Access to all Xkey parameters (advanced users) ◆ Possibility to configure new assignments to all keys & buttons (requires Fw 1.2+) ◆ Direct access to Xkey documentation & support REQUIREMENTS ◆ Xkey musical keyboard ◆ USB cam kit or lightning cable ◆ Compatible with iPad (iOS 7 or later) Do not hesitate to contact us if you find any problem on this app. If you like this app, don't forget to write a positive review ! ESI
UxMIDI Tools
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.
- Firmware updates for CME USB MIDI products
- Full product configuration
- MIDI routing management
- MIDI mapping capabilities
- MIDI event filtering
- USB lightning adapter required
Read full descriptionHide full description
UxMIDI Tools, the application dedicated to CME USB MIDI products owners. With this software, you will be able to update the firmware of your CME Pro USB products (C2MIDI Pro, U2MIDI Pro, U4MIDI-WC, U6MIDI Pro, etc). The software is also used to fully configure your product, you have an access to the routing, mapping and filtering features. With this software you will be able to configure routing to each MIDI and USB input, you can decide to route any input to any output. You can also decide to filter any incoming MIDI event so it is not forwarded to the routed output. The latest version also offers the possibility to map any incoming MIDI event to another one. This application requires using a USB lightning adapter connected to the iPad or iPhone to connect to CME device through USB cable.
Screenshots
Verdict
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.
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.
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.
| Parameter | Xkey Plus | UxMIDI Tools |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (13 ratings) | 4.0 (1 ratings) — better |
| Positive reviews | 35.7% of reviews | 50.0% of reviews — better |
| Number of ratings | 13 — better | 1 |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 9.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 9 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | ESI Audiotechnik GmbH | CME PTE. LTD. |
Customer experience
Xkey Plus
UxMIDI Tools
In-app purchases
Xkey Plus
No in-app purchases
UxMIDI Tools
No in-app purchases
