Xkey Plus vs TB Morphit
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
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◆◆◆ 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
TB Morphit
This app corrects and simulates headphones, removing unwanted coloration for accurate monitoring and mixing. It offers studio-reference equalization and works as an AUv3 plugin with compatible host apps.
- Headphones correction and simulation
- Studio reference equalization
- AUv3 plugin compatibility
- Hundreds of supported headphones
- Morphing correction amount
- Personalize target curve
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ToneBoosters Morphit is an AUv3 plugin for headphones correction and simulation and removes any unwanted coloration from your headphones! Enable accurate monitoring and calibration, mix with studio reference equalization, and improve the accuracy of your headphones. Used and trusted by thousands of studios worldwide, and now available on your mobile device! The ToneBoosters Morphit app captures the microphone (or external sound card) input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters Morphit will appear in the list of Audio Unit extensions for effect plug-ins. How to use Morphit as AUv3 plugin for headphones correction: 1. Connect your headphones to your iOS device (using the headphones jack, using BlueTooth, or using an adapter as supplied by Apple). You can use any of the many supported headphones listed here: www.toneboosters.com/tb_morphit_v1.html 2. Start your favourite AUv3 host app (Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others) and add TB Morphit as Audio Unit insert effect to a track or output bus. See below on how to use Audio Units in various host apps. 3. Select the headphones you are using from the list of supported headphones provided within the TB Morphit app. That's it - all audio going through the Audio Unit plugin is optimised for your headphones. Key features: - The same professional sound as the acclaimed desktop version - Hundreds of headphones supported! - Unique feature: allow morphing of the amount of correction from 0 to 200% - Unique feature: allow simulation of any of the supported headphones and see how your mix translates - Unique feature: personalize the headphones target curve - Unique feature: use Harman calibration / target curves - Unique feature: data/measurement visualization mode - No external hardware required; works with any of the supported headphones models - Undo/redo, and A/B comparison - Color themes for the user interface - Max screen support in Garageband - Optimised for iPad and compatible with iPhone and iPod Touch See if your headphones are supported: www.toneboosters.com/tb_morhpit_v1.html What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.
Screenshots
Verdict
The clearest difference is price: Xkey Plus at Free against TB Morphit's $8.99. Xkey Plus also leads on iOS requirement (9.3 vs 13.0). TB Morphit's advantage is rating (4.7 vs 2.9) and review sentiment (71% vs 36%). On ratings volume, update cadence, 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; TB Morphit costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TB Morphit holds the better App Store score, 4.7 against 2.9. Both are backed by a comparable volume of ratings — 13 and 32 respectively. Written reviews point the same way: 36% of Xkey Plus's written reviews are positive against 71% of TB Morphit's.
Xkey Plus ships an update every 3 months, TB Morphit every 2 months. The most recent releases landed on September 24, 2026 and October 13, 2026 respectively.
| Parameter | Xkey Plus | TB Morphit |
|---|---|---|
| Price | Free — better | $8.99 |
| Rating | 2.9 (13 ratings) | 4.7 (32 ratings) — better |
| Positive reviews | 35.7% of reviews | 70.8% of reviews — better |
| Number of ratings | 13 | 32 — better |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.3 — better | 13.0 |
| Further details — not scored | ||
| Size | 9 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | ESI Audiotechnik GmbH | ToneBoosters |
Customer experience
Xkey Plus
TB Morphit
In-app purchases
Xkey Plus
No in-app purchases
TB Morphit
No in-app purchases









