Xkey Plus vs Jazz Drummer
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
Jazz Drummer
This app offers a new approach to jazz drumming for mobile devices, featuring distinct drummer styles and adjustable improvisation levels. It includes tools for creating realistic drum sounds, live performance control, and song composition with integrated effects.
- Three distinct drummer styles (Swing, Be Bop, Modern Bop)
- 2D slider for jam level and intensity control
- Save mixer and effects per sound bank
- Humanize Velocity for realistic sound
- Live Pads with rhythm, jam, and intensity control
- MIDI control mapping
- Four combinable effects (Compressor/Gate, EQ, Delay, Reverb)
Read full descriptionHide full description
Jazz Drums for iPad and iPhone with new approach to improvisation and swing pulse. - Three drummers in one. Jo, Max and Roy : Swing, Be Bop and Modern Bop drums. Regardless of the selected rhythm, the choice of drummer will affect all improvisations, jams and fills style. - New 2d Slider to control jam level ( x - horizontal ) and intensity ( y - vertical ) - Save Mixer and Effects for each Sound Bank. - Toggle Ride / Hats and Cross Stick / Snare - Adds a new Jazz bank to iBassist with lot of bass lines and chord progressions. - Humanize Velocity to get realistic sound. - iCloud Backups - Live Pads with Rhythm, jam and intensity parameter to play live and control by MIDI. - Song Mode with the new 2D Slider for parts. - 4 Effects to combine, including Compressor/Gate, Equalizer, Delay and Reverb. - Several Random generators to get creative ideas instantly. --- MIDI CONTROLS --- Assignable Controls MIDI Mapping Default Controls : Play : G2 LivePads : C1 - G2 Fill + Play/Stop : A2 Fill : C2 Fill + Toggle Hats/Ride D2 Toggle Hats/Ride Db2 Fill with LivePad Change E2 Load Live Pad C3 Preview LivePad Db3 Next Live Pad D3 Select Live Pad Set Eb3 Tap Tempo Bb2 Crash Cymbal B2 Next Song Ab2 Previous Song Gb2 Jam CC 1 Intensity CC 2 Master Volume CC 7 Swing CC 11 Reverb Level CC 91 Bank CC 32 Rhythm CC 0 Soundset PC
Screenshots
Verdict
The clearest difference is review sentiment: Jazz Drummer at 94% against Xkey Plus's 36%. Jazz Drummer also leads on rating (4.7 vs 2.9) and update cadence (fortnightly vs every 3 months). Xkey Plus's advantage is price (Free vs $17.99) and iOS requirement (9.3 vs 14.0). On ads and in-app purchases 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
Xkey Plus is free to download; Jazz Drummer costs $17.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Jazz Drummer holds the better App Store score, 4.7 against 2.9. That said, the two scores are not equally well evidenced: Jazz Drummer has 268 ratings behind it against 13, 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 94% of Jazz Drummer's.
Xkey Plus ships an update every 3 months, Jazz Drummer fortnightly. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.
| Parameter | Xkey Plus | Jazz Drummer |
|---|---|---|
| Price | Free — better | $17.99 |
| Rating | 2.9 (13 ratings) | 4.7 (268 ratings) — better |
| Positive reviews | 35.7% of reviews | 93.9% of reviews — better |
| Number of ratings | 13 | 268 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.3 — better | 14.0 |
| Further details — not scored | ||
| Size | 9 MB | 330 MB |
| Age rating | 4+ | 4+ |
| Developer | ESI Audiotechnik GmbH | Lumbeat |
Customer experience
Xkey Plus
Jazz Drummer
Bugs and requests
Xkey Plus
Not enough reviews yet to summarise bugs or requests.
Jazz Drummer
Reported bugs
3 issues- App crashes when changing patterns or settings
- MIDI learn feature crashes on certain devices
- Compatibility issues with iOS 26 and newer
Requested features
4 requests- Add AUv3 support for better integration with DAWs
- Improve MIDI functionality and connectivity
- Provide more detailed tutorials and user guides
- Implement preset saving and recall options
In-app purchases
Xkey Plus
No in-app purchases
Jazz Drummer
No in-app purchases
Questions
Is Xkey Plus free?
Is Jazz Drummer free?
Which has better reviews, Xkey Plus or Jazz Drummer?
Do Xkey Plus or Jazz Drummer have ads?
Which is updated more often, Xkey Plus or Jazz Drummer?
Other comparisons
