# ChordMapMidi vs Xequence AU | Keys

ChordMapMidi and Xequence AU | Keys both sit at 5.0 stars, but that hides the real split: 83% of Xequence AU | Keys's written reviews are positive against 53% of ChordMapMidi's. Xequence AU | Keys also leads on device support (3 vs 1) and ratings volume (19 vs 5). On rating, update cadence, ads and in-app purchases there is nothing between them.

ChordMapMidi costs $3.99 and Xequence AU | Keys $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ChordMapMidi against 4.9 for Xequence AU | Keys. Both are backed by a comparable volume of ratings — 5 and 19 respectively. Written reviews are what separate them: 53% of ChordMapMidi's written reviews are positive against 83% of Xequence AU | Keys's.

Both ship on a similar rhythm, roughly every 8 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ChordMapMidi | Xequence AU | Keys |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/chordmapmidi/id533859936/reviews)** | [4.9 (19 ratings)](https://appshunter.io/ios/app/xequence-au-keys/id1453028249/reviews) |
| Number of ratings | 5 | **19** |
| Positive reviews | 52.9% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | Every 8 months |
| Monetization | Paid | Paid |
| Size | 4 MB | 3 MB |
| Requires iOS | 16.6 | **14.2** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Malcolm Mugglin](https://appshunter.io/developer/533859939) | [Alexander Ewering](https://appshunter.io/developer/1743777532) |

## What reviewers say

### ChordMapMidi

[App page](https://appshunter.io/ios/app/chordmapmidi/id533859936)

This app is a MIDI controller for exploring musical chords and progressions in major and minor keys. It sends note information to other synthesizer apps on your device, making it a portable tool for musicians and educators.

**Highlights:** Explore chords and progressions, Major and minor keys, MIDI controller functionality, Sends note information to synth apps, Portable music tool

**In-app purchases:** none


### Xequence AU | Keys

[App page](https://appshunter.io/ios/app/xequence-au-keys/id1453028249)

This app functions as a versatile MIDI keyboard controller within AUv3 hosts, offering expressive playing modes and customizable controllers. It's designed for music production enthusiasts to enhance their workflow with a responsive and resource-efficient interface.

**Highlights:** Scale-aware single or dual keyboard, Adjustable key width and glide mode, Velocity emulation, Configurable MIDI CC touch ribbons, Special controller modes (MPE-like), AU presets and state saving

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ChordMapMidi free?

ChordMapMidi costs $3.99, with no in-app purchases.

### Is Xequence AU | Keys free?

Xequence AU | Keys costs $2.99, with no in-app purchases.

### Which has better reviews, ChordMapMidi or Xequence AU | Keys?

ChordMapMidi is rated higher. ChordMapMidi averages 5.0 out of 5 from 5 ratings, while Xequence AU | Keys averages 4.9 from 19 ratings.

### Do ChordMapMidi or Xequence AU | Keys have ads?

Neither ChordMapMidi nor Xequence AU | Keys shows ads.

### Which is updated more often, ChordMapMidi or Xequence AU | Keys?

ChordMapMidi ships an update every 8 months, and Xequence AU | Keys every 8 months. Most recently, ChordMapMidi was updated on October 23, 2026 and Xequence AU | Keys on October 24, 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.*