Comparison

KORG Module vs Piano Partner 2

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

Head to head
About

KORG Module

This app offers professional piano and keyboard sounds for mobile devices. The free version provides access to high-quality piano sounds, with options to unlock more sound libraries and features through in-app purchases or by connecting Korg MIDI controllers.

Highlights
  • High-quality piano and keyboard sounds
  • Customizable sound sets with over 30 libraries
  • AUv3 support
  • Ultra-low latency sound engine
  • Unlock sounds with Korg MIDI controllers
Features
Read full description

The best sounds, available to everyone. FREE version lets you experience the high-quality piano & keyboard sound. Announcing a new high-quality mobile sound module app for iOS! • KORG Module Pro (Full version): Achieved the #1 position on 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 KORG microKEY, you can play studio-quality keyboard and grand piano sounds anywhere. FEATURE HIGHLIGHTS ● With just an iPad/iPhone and the new microKEY, you can enjoy great sound anywhere ● Stunningly high-quality piano for free. ● Customize your sound set: Available over 30 sound libraries from the Store page. ● AUv3 support ● Ultra-low latency sound engine ● Unlock additional 4 sounds by connecting Korg MIDI controllers/synthesizers. Check the details from www.korg.com/bundle. More info at https://www.korg.com/products/software/korg_module/ !

About

Piano Partner 2

Enhance your Roland digital piano experience with interactive learning tools. Practice with intelligent accompaniment, develop skills through engaging games, and track your progress with recording and diary features. Control your piano remotely for easier operation.

Highlights
  • Interactive learning tools
  • Intelligent accompaniment
  • Skill-building games
  • Performance recording
  • Practice diary and stats
  • Remote piano control
Features
Read full description

Compatible Pianos: GP609、GP607、LX-17、LX-7、HP605、HP603A/HP603、HP601、RP501R、RP102、KIYOLA KF-10、DP603、F-140R、FP-90、FP-60、FP-30、FP-10、GO:PIANO(GO-61P)*、GP:PIANO88(GO-88P)、GO:PIANO with Alexa Built-in(GO-61P-A)*、 *Incompatible with iPad Pro 9.7 inch. Make sure your Roland digital piano is updated with the most current system program. The latest system program and setup instructions can be found at the support pages at www.roland.com. Introduction: The Piano Partner 2 app provides a friendly, interactive way to help you learn and enjoy music with your Roland digital piano. Songs and DigiScore Lite show the piano’s internal music collection on your device’s display, while Rhythm and Flash Card allow you to build skills with intelligent accompaniment and engaging music exercises. Piano Partner 2 also enables your iPad/iPhone to work as a remote controller for your Roland piano, offering an intuitive graphic interface for even easier operation. Recorder and Diary functions help you progress more quickly, allowing you to evaluate performances and keep track of your daily practice activities. The Diary logs stats about playing time, which keys you played, and more, and it’s even possible to share them with your family, friends, and teachers directly from the app. To use Piano Partner 2, connect your device and a compatible Roland piano wirelessly via Bluetooth®, or wired with a USB cable. -Songs—browse and select music from your Roland digital piano’s onboard song library -DigiScore Lite—display music notation for the onboard songs -Rhythm—develop your sense of rhythm with accompaniment that follows the chords you play -Flash Card game—fun challenges to develop ear-training and note-reading skills -Remote Controller—control Roland digital piano functions from your mobile device -Recorder—capture daily performances and listen back instantly -Diary—track your daily activities and share progress statistics on social media such as Twitter -Profiles—multiple users can track individual Diary data on one device Notes: - A connection with the compatible model is required to use this application except for the part of Flash Card. - The compatible model and an iPad or iPhone need Bluetooth connection or a wired connection by a USB cable. - When connecting an iPad or iPhone to the piano via a USB cable, a USB cable and Apple’s iPad Camera connection Kit or Lightning-USB Camera Adapter are required. - When using Piano Partner 2 with a compatible piano for the first time, an Internet connection for the tablet is required. - Songs and DigiScore Lite corresponds to only a built-in song of the piano. Log Retention Policies The Piano Partner 2 app collects information when it is used, including the device type and how the app is used (the functions used, date and time of use, etc.). We will never use this data for the purpose of collecting any personal information or identifying a specific person. We use the collected data for the following purposes only: • To improve the functionality of Piano Partner 2 and future related apps. • To create statistical analysis about how the app is used. When you download and use the Piano Partner 2 app, it is accepted that you agree with the above policies. If you do not accept these policies, we recommend that you do not use the app.

Screenshots

KORG Module4 screens
Piano Partner 24 screens

Verdict

The call

The clearest difference is rating: KORG Module at 4.6 against Piano Partner 2's 2.2. KORG Module also leads on review sentiment (52% vs 19%) and update cadence (monthly vs every 3 months). Piano Partner 2's advantage is in-app purchases (none vs 21) and iOS requirement (9.2 vs 15.6). On price, 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

Both are free to download. KORG Module sells 21 one-off in-app purchases. Piano Partner 2 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KORG Module holds the better App Store score, 4.6 against 2.2. Both are backed by a comparable volume of ratings — 783 and 230 respectively. Written reviews point the same way: 52% of KORG Module's written reviews are positive against 19% of Piano Partner 2's.

UpkeepUpdate frequency

KORG Module ships an update monthly, Piano Partner 2 every 3 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

Scorecard7 real differences · 3 level
KORG Module versus Piano Partner 2: the parameters behind the verdict, then further details
ParameterKORG ModulePiano Partner 2
PriceFreeFree
Rating4.6 (783 ratings) — better2.2 (230 ratings)
Positive reviews51.7% of reviews — better18.8% of reviews
Number of ratings783 — better230
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.69.2 — better
Further details — not scored
Size1.7 GB25 MB
Age rating4+4+
DeveloperKORG INC.Roland Corporation

Customer experience

KORG Module

All ratings783 ratings
Positive88.6%
Neutral4.3%
Negative7.0%
Written reviews261 reviews
Positive51.7%
Neutral12.3%
Negative36.0%

Piano Partner 2

All ratings230 ratings
Positive22.2%
Neutral10.9%
Negative67.0%
Written reviews298 reviews
Positive18.8%
Neutral14.1%
Negative67.1%

User reviews

KORG Module

From 783 App Store ratings

What we love

  • 🎹 Great sounds and interface
  • 🎨 Realistic piano and organ sounds
  • 💻 Works well as an AUv3 plugin
  • 🔍 Helpful as a teaching tool
  • 🎚️ Excellent sound quality and options

Room to improve

  • 🔁 Frequent need to restore purchases
  • ⚠️ Compatibility issues with Korg hardware
  • 🔒 Confusing purchase options and restrictions
  • 🔋 Causes device heating issues
  • 🔇 Low volume compared to other apps

Piano Partner 2

From 230 App Store ratings

What we love

  • 👍 Expands features of Roland pianos
  • 🚀 Enables easy changes to voices, reverb, transpose, etc.
  • 💡 Provides access to additional sounds
  • 👍 Functional app when it works

Room to improve

  • 🐛 Frequent crashes and connection issues
  • 👎 Outdated and unintuitive user interface
  • 👎 Unreliable Bluetooth connectivity
  • 👎 Limited functionality compared to expectations
  • 👎 Incompatible with newer Roland piano models

Bugs and requests

KORG Module

Reported bugs

4 issues
  • Purchased sounds disappearing after updates
  • Inability to delete individual modules to save space
  • Inconsistent behavior with Bluetooth MIDI controllers
  • Crashes when using certain expansion packs

Requested features

5 requests
  • Add virtual pitch bend and modulation wheels
  • Improve Gadget integration and availability of IAPs
  • Implement AUv3 support for better integration
  • Provide a more intuitive and streamlined interface
  • Add more instrument categories like brass, woodwinds, and Latin percussion

Piano Partner 2

Reported bugs

4 issues
  • App crashes when accessing Diary feature
  • Inability to connect to piano via Bluetooth
  • Recorded audio playback issues
  • Metronome settings reset when switching apps

Requested features

5 requests
  • Add ability to save/export recorded audio
  • Improve metronome functionality and settings retention
  • Optimize app for modern device screens
  • Expand song/rhythm library beyond classical music
  • Improve reliability and reduce bugs

In-app purchases

21 purchases

KORG Module

One-time21
  • 7-day trial:TRITON Best selectFree
  • 7-day trial : Organ & ClavFree
  • 7-day trial : Module Perf ExpFree
Show 18 more
  • 7-day trial : Ivory GrandFree
  • 7-day trial : Ivory American DFree
  • 7-day trial:Essential CompleteFree
  • 7-day trial Hybrid 2Free
  • 7-day trial : 80s Dance PopFree
  • 7-day Trial : GENERAL 128Free
  • 7-day trial : OASYS PianoFree
  • 7-day Trial: M1 Best SelectionFree
  • 7-day Trial : Wild KitsFree
  • 7-day Trial : Neo SoulFree
  • 7-day trial : 80's E.PianoFree
  • 7-day Trial : Classic EP-88MFree
  • 7-day trial : Dreamy SynthsFree
  • Hybrid Synth Pack 2$4.99
  • Space Western$6.99
  • TRITON Best Selection$9.99
  • Essential Complete$19.99
  • Module Performance Expansion$29.99
None

Piano Partner 2

No in-app purchases

Questions

Is KORG Module free?
KORG Module is free to download, with in-app purchases available.
Is Piano Partner 2 free?
Piano Partner 2 is free to download, with no in-app purchases.
Which has better reviews, KORG Module or Piano Partner 2?
KORG Module is rated higher. KORG Module averages 4.6 out of 5 from 783 ratings, while Piano Partner 2 averages 2.2 from 230 ratings.
Do KORG Module or Piano Partner 2 have ads?
Neither KORG Module nor Piano Partner 2 shows ads.
Which is updated more often, KORG Module or Piano Partner 2?
KORG Module ships an update monthly, and Piano Partner 2 every 3 months. Most recently, KORG Module was updated on October 18, 2026 and Piano Partner 2 on October 17, 2026.

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