# KORG Module Pro vs X Air Controller

The clearest difference is price: X Air Controller at $4.99 against KORG Module Pro's $39.99. X Air Controller also leads on in-app purchases (none vs 20) and iOS requirement (10.0 vs 15.6). KORG Module Pro's advantage is rating (4.6 vs 2.5) and review sentiment (64% vs 31%). On update cadence, ads and device support there is nothing between them.

KORG Module Pro costs $39.99 and X Air Controller $4.99 up front. KORG Module Pro sells 20 one-off in-app purchases. X Air Controller asks for nothing beyond the download.

KORG Module Pro holds the better App Store score, 4.6 against 2.5. That said, the two scores are not equally well evidenced: KORG Module Pro has 1.2K ratings behind it against 66, so its average is the more settled of the two. Written reviews point the same way: 64% of KORG Module Pro's written reviews are positive against 31% of X Air Controller's.

KORG Module Pro ships an update monthly, X Air Controller every 3 weeks. The most recent releases landed on October 14, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | KORG Module Pro | X Air Controller |
| --- | --- | --- |
| Price | $39.99 | **$4.99** |
| Rating | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/korg-module-pro/id932191687/reviews)** | [2.5 (66 ratings)](https://appshunter.io/ios/app/x-air-controller/id1382755469/reviews) |
| Number of ratings | **1.2K** | 66 |
| Positive reviews | **63.8% of reviews** | 31.2% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1.7 GB | 19 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KORG INC.](https://appshunter.io/developer/363714046) | [Nicholas Arduini](https://appshunter.io/developer/993068062) |

## What reviewers say

### KORG Module Pro

[App page](https://appshunter.io/ios/app/korg-module-pro/id932191687)

This app provides a high-quality mobile sound module for iOS devices, offering professional piano and keyboard sounds. It's ideal for live performance and music production, allowing users to create studio-quality music anywhere with just an iOS device and a MIDI keyboard. Expandable sound libraries and integration with other music apps enhance its capabilities.

**Highlights:** High-quality piano and keyboard sound engines, Six dedicated sound engines, Ultra-low latency, AUv3 support, Set list function with score viewer, Expansion sound libraries, Performance recording and sharing

**Features:** Family Sharing

**In-app purchases (20)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hybrid Synth Essential 2 | $3.99 | one-time |
| Future Synths | $4.99 | one-time |
| London Symphonic Orchestra | $6.99 | one-time |
| Dream Pop | $6.99 | one-time |
| Petrichor | $6.99 | one-time |
| Shoulder Pads | $6.99 | one-time |
| Space Western | $6.99 | one-time |
| Wurley Electric Piano | $9.99 | one-time |
| Mellow Tape Keyboard | $9.99 | one-time |
| Soundiron Voice of Rapture Soprano | $9.99 | one-time |
| Wild Kits | $9.99 | one-time |
| Dreamy Synths | $9.99 | one-time |
| Organ & Clav Collection | $19.99 | one-time |
| TRITON Best Selection | $19.99 | one-time |
| 80's Electric Piano | $19.99 | one-time |
| Orchestral Dreams | $19.99 | one-time |
| Classic EP-88M | $19.99 | one-time |
| Ivory Mobile Grand | $29.99 | one-time |
| Module Performance Expansion | $29.99 | one-time |
| Ivory Mobile American D | $29.99 | one-time |

**What reviewers like**

- 🎹 Excellent sound quality
- 🎨 Versatile sound library
- 📋 Useful set list functionality
- 🔌 Good MIDI integration
- 💻 Seamless integration with Korg Gadget

**What reviewers complain about**

- 🔇 Low volume/output issues
- 🐛 Crashes and stability problems
- 🔀 Inconsistent behavior when switching patches
- 🔒 Difficulty restoring purchased content
- 🔍 Limited sound customization options

**Reported bugs**

- Purchased content not appearing or disappearing
- Sustain pedal not functioning properly
- Polyphony issues causing notes to drop out
- Compatibility problems with newer iOS versions

**Requested features**

- Add split and layer functionality
- Implement MIDI learn capabilities
- Improve set list management with reordering and copying
- Add support for background audio and AUv3
- Provide better integration with other Korg apps


### X Air Controller

[App page](https://appshunter.io/ios/app/x-air-controller/id1382755469)

This application provides comprehensive control over Behringer X Air and Midas M Air series digital mixers. Manage faders, mutes, EQ, compression, and more for each channel through an intuitive interface. It offers features like mixer scanning, settings synchronization, and customizable channel visibility.

**Highlights:** Control faders, mutes, and solos, Adjust input, output, compression, and EQ, Manage bus sends and channel settings, Scan for mixers or manually enter IP, Sync mixer settings, Supports left/right hand modes, Option to hide channels

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

**In-app purchases:** none


## Frequently asked questions

### Is KORG Module Pro free?

KORG Module Pro costs $39.99, and also offers in-app purchases.

### Is X Air Controller free?

X Air Controller costs $4.99, with no in-app purchases.

### Which has better reviews, KORG Module Pro or X Air Controller?

KORG Module Pro is rated higher. KORG Module Pro averages 4.6 out of 5 from 1.2K ratings, while X Air Controller averages 2.5 from 66 ratings.

### Do KORG Module Pro or X Air Controller have ads?

Neither KORG Module Pro nor X Air Controller shows ads.

### Which is updated more often, KORG Module Pro or X Air Controller?

KORG Module Pro ships an update monthly, and X Air Controller every 3 weeks. Most recently, KORG Module Pro was updated on October 14, 2026 and X Air Controller on October 12, 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.*