# Midi Studio vs KORG Module Pro

The clearest difference is price: Midi Studio at $1.99 against KORG Module Pro's $39.99. Midi Studio also leads on iOS requirement (5.1.1 vs 15.6). KORG Module Pro's advantage is rating (4.6 vs 4.0) and ratings volume (1.2K vs 65). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Midi Studio costs $1.99 and KORG Module Pro $39.99 up front. Midi Studio sells 10 one-off in-app purchases and KORG Module Pro sells 20 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

KORG Module Pro holds the better App Store score, 4.6 against 4.0. That said, the two scores are not equally well evidenced: KORG Module Pro has 1.2K ratings behind it against 65, so its average is the more settled of the two. Written reviews split almost evenly too, at 64% and 64% positive.

Midi Studio ships an update every 5 weeks, KORG Module Pro monthly. The most recent releases landed on September 26, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Midi Studio | KORG Module Pro |
| --- | --- | --- |
| Price | **$1.99** | $39.99 |
| Rating | [4.0 (65 ratings)](https://appshunter.io/ios/app/midi-studio/id519720275/reviews) | **[4.6 (1.2K ratings)](https://appshunter.io/ios/app/korg-module-pro/id932191687/reviews)** |
| Number of ratings | 65 | **1.2K** |
| Positive reviews | **64.4% of reviews** | 63.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 500 MB | 1.7 GB |
| Requires iOS | **5.1.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VITALIY TARASYUK](https://appshunter.io/developer/519720278) | [KORG INC.](https://appshunter.io/developer/363714046) |

## What reviewers say

### Midi Studio

[App page](https://appshunter.io/ios/app/midi-studio/id519720275)

This app acts as a modular MIDI control surface, allowing users to remotely control software and hardware via Wi-Fi or USB. It offers various touch controls like faders, knobs, and XY pads for music production and studio setups.

**Highlights:** Modular MIDI control surface, Wi-Fi and USB connectivity, Faders, knobs, buttons, XY pads, Customizable layouts (Pro version), CoreMidi message support, Velocity sensitive keys

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Live Drums Layout | $0.99 | one-time |
| CD Player Layout | $0.99 | one-time |
| Vinyl Player Layout | $0.99 | one-time |
| Buy ready-made layout | $1.99 | one-time |
| Buy Control | $1.99 | one-time |
| DJ Mixer Layout | $1.99 | one-time |
| Buy Gold Layout | $4.99 | one-time |
| Daw Control Layouts | $4.99 | one-time |
| Buy Premium Layout | $9.99 | one-time |
| Create Custom Layouts | $14.99 | one-time |

**What reviewers like**

- 🎛️ Versatile MIDI controller with multiple layout options
- 🚀 Low latency wireless MIDI connection over WiFi
- 💡 Velocity-sensitive keyboards and drum pads
- 🎹 Works seamlessly with popular DAWs (Logic, Ableton, Reason, Reaper)
- 👍 Easy to set up and intuitive interface

**What reviewers complain about**

- 💸 Expensive in-app purchases for custom layouts ($15-$23)
- 📦 Extremely large app size (500MB+) for a MIDI controller
- 🐛 Frequent crashes and stability issues
- 📚 Poor documentation and unclear setup instructions
- 🚫 No customer support or unresponsive support team

**Reported bugs**

- App crashes on startup or during use
- MIDI keyboard and drum pads frequently break or become unresponsive
- Dropped MIDI events during performance
- Connectivity issues between iOS devices
- In-app purchase store causes crashes

**Requested features**

- Bluetooth MIDI support as alternative to WiFi
- MIDI learn function for easier configuration
- IAA (Inter-App Audio) or Audiobus support
- Editable drum pad layouts with half-step intervals
- Configuration profiles for switching between instruments


### 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 | $4.99 | 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 American D | $29.99 | one-time |
| Ivory Mobile Grand | $29.99 | one-time |
| Module Performance Expansion | $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


## Frequently asked questions

### Is Midi Studio free?

Midi Studio costs $1.99, and also offers in-app purchases.

### Is KORG Module Pro free?

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

### Which has better reviews, Midi Studio or KORG Module Pro?

KORG Module Pro is rated higher. Midi Studio averages 4.0 out of 5 from 65 ratings, while KORG Module Pro averages 4.6 from 1.2K ratings.

### Do Midi Studio or KORG Module Pro have ads?

Neither Midi Studio nor KORG Module Pro shows ads.

### Which is updated more often, Midi Studio or KORG Module Pro?

Midi Studio ships an update every 5 weeks, and KORG Module Pro monthly. Most recently, Midi Studio was updated on September 26, 2026 and KORG Module Pro on September 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*