# Xkey Plus vs MixAlign

The clearest difference is rating: MixAlign at 5.0 against Xkey Plus's 2.9. MixAlign also leads on update cadence (every 9 days vs every 3 months). Xkey Plus's advantage is in-app purchases (none vs 1) and ratings volume (13 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. MixAlign sells 1 in-app purchase, starting at $2.99 per month. Xkey Plus asks for nothing beyond the download.

MixAlign holds the better App Store score, 5.0 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.

Xkey Plus ships an update every 3 months, MixAlign every 9 days. The most recent releases landed on October 23, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Xkey Plus | MixAlign |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (13 ratings)](https://appshunter.io/ios/app/xkey-plus/id698087460/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mixalign/id6789957493/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 9 MB | 62 MB |
| Requires iOS | **9.3** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [ESI Audiotechnik GmbH](https://appshunter.io/developer/1627424644) | [Ronald Bonham](https://appshunter.io/developer/6789957495) |

## 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


### MixAlign

[App page](https://appshunter.io/ios/app/mixalign/id6789957493)

This app helps music producers and mixers optimize their audio for various streaming platforms. It allows you to match loudness standards like LUFS -14, adjust EQ, and control dynamics for professional playback on services like Spotify and Apple Music.

**Highlights:** Emulate streaming standards (Spotify, Apple Music, Tidal), Match LUFS targets, Adjust EQ and dynamics, Optimize mixes for pro playback, Simple audio upload and comparison

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MixAlign Pro Monthly | $2.99 | per month |


## Frequently asked questions

### Is Xkey Plus free?

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

### Is MixAlign free?

MixAlign is free to download, with in-app purchases available.

### Which has better reviews, Xkey Plus or MixAlign?

MixAlign is rated higher. Xkey Plus averages 2.9 out of 5 from 13 ratings, while MixAlign averages 5.0 from 1 ratings.

### Do Xkey Plus or MixAlign have ads?

Neither Xkey Plus nor MixAlign shows ads.

### Which is updated more often, Xkey Plus or MixAlign?

Xkey Plus ships an update every 3 months, and MixAlign every 9 days. Most recently, Xkey Plus was updated on October 23, 2026 and MixAlign on October 18, 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.*