# Perfect Piano vs KORG Module

The clearest difference is ads: KORG Module at none against Perfect Piano's shown. KORG Module also leads on update cadence (monthly vs every 2 months). Perfect Piano's advantage is review sentiment (71% vs 52%) and ratings volume (8.6K vs 788). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Perfect Piano sells 7 in-app purchases, starting at $2.99 per month and KORG Module sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Perfect Piano against 4.6 for KORG Module. That said, the two scores are not equally well evidenced: Perfect Piano has 8.6K ratings behind it against 788, so its average is the more settled of the two. Written reviews are what separate them: 71% of Perfect Piano's written reviews are positive against 52% of KORG Module's.

Perfect Piano ships an update every 2 months, KORG Module monthly. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Perfect Piano | KORG Module |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (8.6K ratings)](https://appshunter.io/ios/app/perfect-piano-learn-to-play/id942937409/reviews) | **[4.6 (788 ratings)](https://appshunter.io/ios/app/korg-module/id1048875111/reviews)** |
| Number of ratings | **8.6K** | 788 |
| Positive reviews | **71.4% of reviews** | 51.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#112** | — |
| Size | 247 MB | 1.7 GB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Revontulet Soft Inc](https://appshunter.io/developer/942937408) | [KORG INC.](https://appshunter.io/developer/363714046) |

## What reviewers say

### Perfect Piano

[App page](https://appshunter.io/ios/app/perfect-piano-learn-to-play/id942937409)

**Currently charting:** #112 Top Free · Music (US App Store)

This app is an intelligent piano simulator that teaches you to play with a variety of learning modes and thousands of popular music scores. It features a smart keyboard with multiple sound effects and allows multiplayer connections to play with others worldwide.

**Highlights:** 88-key piano keyboard, Thousands of popular music scores, Falling note and waterfall guidance, Multiplayer connection and PK, MIDI and MusicXML notation support, USB MIDI keyboard support, Metronome

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP ACCESS | $2.99 | per month |
| 650 Golden Coins | $0.99 | one-time |
| 1500 Golden Coins | $1.99 | one-time |
| 2500 Golden Coins | $2.99 | one-time |
| 3800 Golden coins | $3.99 | one-time |
| 5000 Golden Coins | $4.99 | one-time |
| Lifetime VIP Membership | $5.99 | one-time |

**What reviewers like**

- 👍 Fun and relaxing to play
- 🎹 Helps learn and practice piano
- 🎨 Variety of instruments and sounds
- ⭐️ Great for beginners and experts
- 🎧 Can play along with own music

**What reviewers complain about**

- 🔍 Limited song selection
- 💰 Some features require payment
- 🔇 Audio issues or bugs
- 🔌 High battery consumption
- 📵 Frequent ads interrupting gameplay

**Reported bugs**

- Account creation/login issues
- Keyboard input not always responsive
- Occasional app crashes or freezes
- Connectivity problems with multiplayer
- Incorrect note detection in some songs

**Requested features**

- Add more popular/recent songs
- Improve online multiplayer functionality
- Provide more free instrument options
- Add support for MIDI keyboard input
- Implement a 'dark mode' theme


### KORG Module

[App page](https://appshunter.io/ios/app/korg-module/id1048875111)

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:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7-day trial:TRITON Best select | Free | one-time |
| 7-day trial : Organ & Clav | Free | one-time |
| 7-day trial : Module Perf Exp | Free | one-time |
| 7-day trial : Ivory Grand | Free | one-time |
| 7-day trial : Ivory American D | Free | one-time |
| 7-day trial:Essential Complete | Free | one-time |
| 7-day trial Hybrid 2 | Free | one-time |
| 7-day Trial : GENERAL 128 | Free | one-time |
| TRITON Best Selection | $19.99 | one-time |
| Essential Complete | $39.99 | one-time |

**What reviewers like**

- 🎹 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

**What reviewers complain about**

- 🔁 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

**Reported bugs**

- 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**

- 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


## Frequently asked questions

### Is Perfect Piano free?

Perfect Piano is free to download, with in-app purchases available.

### Is KORG Module free?

KORG Module is free to download, with in-app purchases available.

### Which has better reviews, Perfect Piano or KORG Module?

KORG Module is rated higher. Perfect Piano averages 4.5 out of 5 from 8.6K ratings, while KORG Module averages 4.6 from 788 ratings.

### Do Perfect Piano or KORG Module have ads?

Perfect Piano shows ads; KORG Module does not.

### Which is updated more often, Perfect Piano or KORG Module?

Perfect Piano ships an update every 2 months, and KORG Module monthly. Most recently, Perfect Piano was updated on November 8, 2026 and KORG Module on November 6, 2026.

---

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