# LK vs LC4 Controller

The clearest difference is rating: LC4 Controller at 5.0 against LK's 4.3. LC4 Controller also leads on review sentiment (100% vs 64%) and in-app purchases (none vs 8). LK's advantage is update cadence (fortnightly vs every 26 months) and ratings volume (706 vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LK sells 8 one-off in-app purchases. LC4 Controller asks for nothing beyond the download.

LC4 Controller holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: LK has 706 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 64% of LK's written reviews are positive against 100% of LC4 Controller's.

LK ships an update fortnightly, LC4 Controller every 26 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | LK | LC4 Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (706 ratings)](https://appshunter.io/ios/app/lk-ableton-and-midi-controller/id944972221/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lc4-controller-us/id1052405144/reviews)** |
| Number of ratings | **706** | 1 |
| Positive reviews | 64.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 26 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 125 MB | 9 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | **iPhone, iPad** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Imaginando Lda](https://appshunter.io/developer/895445015) | [Yamaha Corporation of America](https://appshunter.io/developer/408058585) |

## What reviewers say

### LK

[App page](https://appshunter.io/ios/app/lk-ableton-and-midi-controller/id944972221)

This application acts as a remote control for Ableton Live and MIDI devices, enhancing electronic music production and live performance. It offers deep integration with Ableton Live and extensive MIDI capabilities for controlling software and hardware. The app is modular, with features available as separate in-app purchases.

**Highlights:** Ableton Live integration, MIDI device control, Clip launching and sequencing, Device parameter control, Virtual MIDI and AUv3 support, Modular in-app purchases

**Features:** Family Sharing, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Chorder | $4.99 | one-time |
| Unlock MIDI Pads | $4.99 | one-time |
| Unlock MIDI Controller | $4.99 | one-time |
| Unlock X/Y Pad | $4.99 | one-time |
| Unlock Keyboard | $4.99 | one-time |
| Unlock Step Sequencer | $7.99 | one-time |
| Unlock Matrix | $9.99 | one-time |
| All Modules Bundle | $39.90 | one-time |

**What reviewers like**

- 🚀 Works perfectly
- 🎹 Great for Ableton Live
- 🎨 Powerful features
- 👍 Intuitive and easy to use
- 💯 Excellent app

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🔌 Connection issues and unreliable wireless
- 💰 Expensive with separate module purchases
- 🤔 Confusing setup and documentation
- 🔋 High battery drain

**Reported bugs**

- Clip renaming tool not working
- Occasional MIDI note sticking
- UI disappearing and requiring restart
- Wireless connection randomly dropping
- Exclusive track arming mode issues

**Requested features**

- Add MIDI CC mapping and automation
- Implement vertical view for session mode
- Allow saving and loading of custom settings
- Improve MIDI note and velocity handling
- Add MIDI transformers and generators


### LC4 Controller

[App page](https://appshunter.io/ios/app/lc4-controller-us/id1052405144)

This app provides wireless control for a music lab, allowing educators to manage student interactions and broadcast music from anywhere in the room. It includes features like student icon customization, attendance tracking, and access to the iPad's music library for class-wide playback.

**Highlights:** Wireless control of Yamaha LC4 Music Lab, Customize and position student icons, In-app attendance tracker, Integrated notepad, Broadcast music from iPad library, Full hardware function access

**In-app purchases:** none


## Frequently asked questions

### Is LK free?

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

### Is LC4 Controller free?

LC4 Controller is free to download, with no in-app purchases.

### Which has better reviews, LK or LC4 Controller?

LC4 Controller is rated higher. LK averages 4.3 out of 5 from 706 ratings, while LC4 Controller averages 5.0 from 1 ratings.

### Do LK or LC4 Controller have ads?

Neither LK nor LC4 Controller shows ads.

### Which is updated more often, LK or LC4 Controller?

LK ships an update fortnightly, and LC4 Controller every 26 months. Most recently, LK was updated on October 15, 2026 and LC4 Controller on October 15, 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.*