Comparison

KORG Module Pro vs Piano Chord Practice

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KORG Module Pro

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
Read full description

The best sounds, available to everyone. Announcing a new high-quality mobile sound module app for iOS! • Achieved the #1 position*on the App Store* in the Top Paid Music App category *USA, UK, Japan, Germany, France, Italy, Canada and much more! Ideal for performance and music production, KORG Module is a high-quality sound module app for iOS that contains a professional sound library. With just your iPad/iPhone and a MIDI keyboard such as the new microKEY, you can play studio-quality keyboard and grand piano sounds anywhere. You can also use the sounds of KORG Module for the KORG Gadget music production app. Maintaining its position at the forefront of mobile music apps, KORG now offers you a new style of performance and production with KORG Module for iOS. FEATURE HIGHLIGHTS ● Stunningly high-quality piano and a full range of keyboard sound engines ● Six dedicated sound engines : Acoustic Piano/Electric Piano/Clav/Organ/Multi/Hybrid ● Ultra-low latency sound engine ● AUv3 support ● With just an iPad/iPhone and the new microKEY, you can enjoy great sound anywhere ● Mobile music production in tandem with KORG Gadget ● Convenient set list function with a PDF/image score viewer and music player ● Power-up even more with expansion sound libraries: TRITON Best Selection / Ivory Mobile Grand and more! ● Easily record your performances, and share song sketches on SoundCloud ● Integrating iOS technology that's indispensable for the mobile environment *** Stunningly high-quality piano and a full range of keyboard sound engines *** KORG Module has five dedicated sound engines, providing a number of high-quality sounds that can be played back on your iOS using the "NATIVE ENGINE”. These engines feature technology that was developed for KORG's historic line of workstations and synthesizers including: Acoustic Piano, Electric Piano, Clav, Organ, Multi, and Hybrid. Each display has carefully selected parameters, making it convenient and easy to adjust the sounds. We’ve also carefully ensured ideal playability and designed the system for ultra-low latency. Once you experience the quality of the sounds being produced from the slim body of your iPad, you'll agree that Module is radically different than anything else currently on the market. *** With just an iPad/iPhone and the new microKEY, you can enjoy great sound anywhere *** KORG Module and the microKEY are the best possible combination for a mobile performance environment. With the new microKEY which supports a damper, or the microKEY Air which provides a wireless connection via Bluetooth MIDI, your iPad can transform into a high-quality sound module. In your room, in a practice studio, or performing on stage,, it's easy to set up and immerse yourself in a superb playing experience wherever you are. Of course you can also use any MIDI keyboard that can connect to your iPad via Apple Lightning - USB camera adapter. The velocity curve function conforms the sound to your playing dynamics, so you'll be able to perform comfortably using any MIDI keyboard. Even if you don't have a MIDI keyboard, you can use the apps on-screen keyboard, phrase function, or MIDI player to play the sounds. The MIDI player can load and play standard MIDI files for your listening enjoyment. *** Mobile music production in tandem with KORG Gadget *** You can also use the high-quality KORG Module sounds inside KORG Gadget, the mobile music production app. If you have Module and Gadget, the five tools Salzburg, Montreal, Alexandria, Firenze, and Glasgow are added inside, allowing access the same way as Gadget. These five powerful gadgets will add even more variety to your music productions, raising your music to the next level. Whether for performance or for production, both of these apps deliver ultimate sound. More info at korg.com

About

Piano Chord Practice

Features
Read full description

A chord practice app designed to make learning piano chords fun. It is made for people who know chord names but cannot quickly play them on the keyboard, or who want to practice not only major and minor chords, but also 7th, 9th, sus, dim, and aug chords. In Practice Mode, you can focus on a wide range of chord types, including major, minor, 7th, sus, dim, aug, 9th, 11th, and 13th chords. In Chord Progression Mode, you can challenge yourself with genre-based progressions such as Pops, Rock, Jazz, R&B, HipHop, House, Lo-Fi, and Future Bass. MIDI keyboards are supported, so you can practice using either the on-screen keyboard or a real keyboard. Learn chord shapes and sounds in a game-like way while checking correct and incorrect answers. A MIDI device is recommended for this app. Available in English and Japanese.

Screenshots

KORG Module Pro4 screens
Piano Chord Practice4 screens

Verdict

The call

The clearest difference is price: Piano Chord Practice at $2.99 against KORG Module Pro's $39.99. Piano Chord Practice also leads on in-app purchases (none vs 10) and update cadence (every 5 days vs monthly). KORG Module Pro's advantage is iOS requirement (15.6 vs 26.0). On ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

KORG Module Pro costs $39.99 and Piano Chord Practice $2.99 up front. KORG Module Pro sells 10 one-off in-app purchases. Piano Chord Practice asks for nothing beyond the download.

UpkeepUpdate frequency

KORG Module Pro ships an update monthly, Piano Chord Practice every 5 days. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
KORG Module Pro versus Piano Chord Practice: the parameters behind the verdict, then further details
ParameterKORG Module ProPiano Chord Practice
Price$39.99$2.99 — better
Rating4.6 (1.2K ratings) — better—
Positive reviews63.8% of reviews—
Number of ratings1.2K — better—
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.0
Further details — not scored
Size1.7 GB210 MB
Age rating4+4+
DeveloperKORG INC.yuji yoshie

Bugs and requests

KORG Module Pro

Reported bugs

4 issues
  • 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

5 requests
  • 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

Piano Chord Practice

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

KORG Module Pro

One-time10
  • Hybrid Synth Essential 2$4.99
  • Wurley Electric Piano$9.99
  • Mellow Tape Keyboard$9.99
Show 7 more
  • Organ & Clav Collection$19.99
  • TRITON Best Selection$19.99
  • 80's Electric Piano$19.99
  • Orchestral Dreams$19.99
  • Classic EP-88M$19.99
  • Ivory Mobile Grand$29.99
  • Module Performance Expansion$29.99
None

Piano Chord Practice

No in-app purchases

Questions

Is KORG Module Pro free?
KORG Module Pro costs $39.99, and also offers in-app purchases.
Is Piano Chord Practice free?
Piano Chord Practice costs $2.99, with no in-app purchases.
Do KORG Module Pro or Piano Chord Practice have ads?
Neither KORG Module Pro nor Piano Chord Practice shows ads.
Which is updated more often, KORG Module Pro or Piano Chord Practice?
KORG Module Pro ships an update monthly, and Piano Chord Practice every 5 days. Most recently, KORG Module Pro was updated on November 11, 2026 and Piano Chord Practice on October 31, 2026.

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