# iDousyn Lite vs KORG Module

The clearest difference is ads: KORG Module at none against iDousyn Lite's shown. KORG Module also leads on review sentiment (52% vs 36%) and update cadence (monthly vs every 3 months). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. iDousyn Lite sells 1 one-off in-app purchase and KORG Module sells 21 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

KORG Module holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 697 and 783 respectively. Written reviews point the same way: 36% of iDousyn Lite's written reviews are positive against 52% of KORG Module's.

iDousyn Lite ships an update every 3 months, KORG Module monthly. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | iDousyn Lite | KORG Module |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (697 ratings)](https://appshunter.io/ios/app/idousyn-lite/id992557221/reviews) | **[4.6 (783 ratings)](https://appshunter.io/ios/app/korg-module/id1048875111/reviews)** |
| Number of ratings | 697 | **783** |
| Positive reviews | 36.4% of reviews | **51.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 67 MB | 1.7 GB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jorge Lozada](https://appshunter.io/developer/421852863) | [KORG INC.](https://appshunter.io/developer/363714046) |

## What reviewers say

### iDousyn Lite

[App page](https://appshunter.io/ios/app/idousyn-lite/id992557221)

This app transforms your device into a versatile musical instrument, offering a wide range of high-quality sounds and intuitive tools for creating melodies and harmonies. Explore authentic pianos, basses, guitars, and more with innovative features like Chord Pads and DSP effects.

**Highlights:** 8-Octave Virtual Keyboard, Chord Pads with Strum Options, High-Fidelity Oscillators, DSP Effects (Reverb, Delay, EQ), Dual-Channel Sound Blending, MIDI Controller Support, Export to WAV, AIFF, CAF, M4A

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |

**What reviewers like**

- 🎵 High quality sounds
- 👍 Well-designed GUI layout

**What reviewers complain about**

- 📢 Excessive ads and pop-ups
- ⏱️ High latency and slow keyboard response
- 🔄 Intrusive review prompts interrupting usage
- 🎹 Instrument switching bug causing audio overlap

**Reported bugs**

- Piano audio continues playing when switching to other instruments
- App locks up until user submits a review
- Frequent pop-ups and ads interrupt functionality

**Requested features**

- Ringtone customization options


### 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 (21)**

| 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 : 80s Dance Pop | Free | one-time |
| 7-day Trial : GENERAL 128 | Free | one-time |
| 7-day trial : OASYS Piano | Free | one-time |
| 7-day Trial: M1 Best Selection | Free | one-time |
| 7-day Trial : Wild Kits | Free | one-time |
| 7-day Trial : Neo Soul | Free | one-time |
| 7-day trial : 80's E.Piano | Free | one-time |
| 7-day Trial : Classic EP-88M | Free | one-time |
| 7-day trial : Dreamy Synths | Free | one-time |
| Hybrid Synth Pack 2 | $4.99 | one-time |
| Space Western | $6.99 | one-time |
| TRITON Best Selection | $9.99 | one-time |
| Essential Complete | $19.99 | one-time |
| Module Performance Expansion | $29.99 | 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 iDousyn Lite free?

iDousyn Lite 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, iDousyn Lite or KORG Module?

KORG Module is rated higher. iDousyn Lite averages 4.4 out of 5 from 697 ratings, while KORG Module averages 4.6 from 783 ratings.

### Do iDousyn Lite or KORG Module have ads?

iDousyn Lite shows ads; KORG Module does not.

### Which is updated more often, iDousyn Lite or KORG Module?

iDousyn Lite ships an update every 3 months, and KORG Module monthly. Most recently, iDousyn Lite was updated on October 12, 2026 and KORG Module on October 13, 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.*