# KORG GEC5 Controller vs EMWaver

The clearest difference is iOS requirement: KORG GEC5 Controller at 11.0 against EMWaver's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KORG GEC5 Controller ships an update every 11 months, EMWaver every 12 months. The most recent releases landed on June 7, 2026 and May 31, 2026 respectively.

## The numbers

| Metric | KORG GEC5 Controller | EMWaver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/korg-gec5-controller/id1073023302/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 12 months |
| Monetization | Free | — |
| Size | 22 MB | 4 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [KORG INC.](https://appshunter.io/developer/363714046) | [Luis Lopes](https://appshunter.io/developer/1819487598) |

## What reviewers say

### KORG GEC5 Controller

[App page](https://appshunter.io/ios/app/korg-gec5-controller/id1073023302)

This software provides a comprehensive system for group instruction in music, language, or technology labs. It offers flexible modes for lectures, individual practice with teacher eavesdropping, and collaborative group work, enhancing classroom efficiency and engagement.

**Highlights:** Multiple practice and instruction modes, Fully-digital stereo sound, Intuitive software user interface, Flexible audio routing, Open curriculum compatibility, Lecture, Practice, and Group modes

**In-app purchases:** none


### EMWaver

[App page](https://appshunter.io/ios/app/emwaver/id6747035939)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KORG GEC5 Controller free?

KORG GEC5 Controller is free to download, with no in-app purchases.

### Is EMWaver free?

EMWaver is free to download, with no in-app purchases.

### Do KORG GEC5 Controller or EMWaver have ads?

Neither KORG GEC5 Controller nor EMWaver shows ads.

### Which is updated more often, KORG GEC5 Controller or EMWaver?

KORG GEC5 Controller ships an update every 11 months, and EMWaver every 12 months. Most recently, KORG GEC5 Controller was updated on June 7, 2026 and EMWaver on May 31, 2026.

---

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