# KORG iM1 vs Portable ORG PRO

The clearest difference is review sentiment: KORG iM1 at 82% against Portable ORG PRO's 15%. KORG iM1 also leads on rating (4.7 vs 3.7) and ratings volume (1K vs 3). Portable ORG PRO's advantage is price ($1.99 vs $29.99) and in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

KORG iM1 costs $29.99 and Portable ORG PRO $1.99 up front. KORG iM1 sells 2 one-off in-app purchases. Portable ORG PRO asks for nothing beyond the download.

KORG iM1 holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: KORG iM1 has 1K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 82% of KORG iM1's written reviews are positive against 15% of Portable ORG PRO's.

KORG iM1 ships an update every 7 months, Portable ORG PRO every 4 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KORG iM1 | Portable ORG PRO |
| --- | --- | --- |
| Price | $29.99 | **$1.99** |
| Rating | **[4.7 (1K ratings)](https://appshunter.io/ios/app/korg-im1/id966030326/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/portable-org-pro/id1065624244/reviews) |
| Number of ratings | **1K** | 3 |
| Positive reviews | **81.5% of reviews** | 14.8% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#155** | — |
| Size | 200 MB | 70 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KORG INC.](https://appshunter.io/developer/363714046) | [Audiosdroid OU](https://appshunter.io/developer/869671589) |

## What reviewers say

### KORG iM1

[App page](https://appshunter.io/ios/app/korg-im1/id966030326)

**Currently charting:** #155 Top Paid · Music (US App Store)

This app faithfully reproduces the legendary M1 synthesizer, offering its iconic sounds and expanded features for modern music creation. It provides a vast library of presets and intuitive performance tools, making it accessible to both experienced musicians and beginners.

**Highlights:** Faithful reproduction of original M1 sound, Expanded filter resonance and 18 effects, Gigantic library of 3,300 sounds, Intuitive KAOSS pad for performance, Smart Sound Browser for quick sound selection, Compatible with KORG Gadget

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| M1 Cards Pack | $4.99 | one-time |
| T1 Cards Pack | $4.99 | one-time |

**What reviewers like**

- 👍 Authentic M1 sound reproduction
- 💰 Great value for money
- 🎹 Faithful recreation of the original hardware
- 🎨 Powerful sound customization options
- 🔗 Works well with MIDI controllers

**What reviewers complain about**

- 🐛 Occasional crashes or stability issues
- 🔇 Low output volume compared to other apps
- 🤔 Confusing UI for patch editing and saving
- 🔴 Missing AUv3 support for integration with DAWs

**Reported bugs**

- Disappearing or missing purchased sound cards
- Bluetooth MIDI connectivity issues
- Compatibility problems with certain iOS versions or devices

**Requested features**

- Add AUv3 support for better DAW integration
- Improve preset management and saving capabilities
- Increase master volume control options
- Expand sound library with more cards/expansions


### Portable ORG PRO

[App page](https://appshunter.io/ios/app/portable-org-pro/id1065624244)

Transform your device into a versatile musical instrument. Play a wide range of premium instruments, create and record your own melodies, and explore diverse musical scales and rhythms. Customize your sound with effects and enjoy an expressive digital piano experience.

**Highlights:** Play premium instruments, Touch-sensitive keys, Record and compose music, Variety of instruments and beats, Reverb and equalizer settings, Unique musical scales, Authentic styles and rhythms

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

**In-app purchases:** none


## Frequently asked questions

### Is KORG iM1 free?

KORG iM1 costs $29.99, and also offers in-app purchases.

### Is Portable ORG PRO free?

Portable ORG PRO costs $1.99, with no in-app purchases.

### Which has better reviews, KORG iM1 or Portable ORG PRO?

KORG iM1 is rated higher. KORG iM1 averages 4.7 out of 5 from 1K ratings, while Portable ORG PRO averages 3.7 from 3 ratings.

### Do KORG iM1 or Portable ORG PRO have ads?

Neither KORG iM1 nor Portable ORG PRO shows ads.

### Which is updated more often, KORG iM1 or Portable ORG PRO?

KORG iM1 ships an update every 7 months, and Portable ORG PRO every 4 months. Most recently, KORG iM1 was updated on October 29, 2026 and Portable ORG PRO on October 24, 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.*