midimittr vs LC4 Controller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
midimittr
This app enables low-latency MIDI connections to iOS music applications via Bluetooth LE or USB. It routes virtual MIDI ports to external devices, allowing seamless wireless or wired integration with compatible software.
- Low-latency MIDI over Bluetooth LE
- MIDI over USB connection
- Routes virtual MIDI ports
- Connects to other MIDI devices wirelessly
- Remembers routing settings
- Works in background
- MIDI over Lightning cable support
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midimittr is a simple utility to deliver the experience of low-latency MIDI over Bluetooth LE/USB to iOS Music apps that support MIDI. To achieve this, midimittr is routing the virtual ports of supported applications to Bluetooth and/or the USB Ports. If your favourite application is supporting MIDI, it will most likely work with midimittr. Bluetooth over MIDI is supported in iOS 8+ and a feature of OS X Yosemite 10.10+. For more information please check out the support page. ---- - Connect to other Bluetooth MIDI Hardware, iOS or macOS devices wirelessly - Remembers previous routing settings for an uninterrupted workflow - Works in background - Get even lower latency with MIDI over Lightning cable* - Support for both iPad and iPhone ---- *For MIDI over Lightning cable please download the tool from the support page.
LC4 Controller
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.
- 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
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The exclusive LC4 Controller App gives you full control over the Yamaha LC4 Music Lab wirelessly from anywhere in the room. Music educators now have the freedom to leave their teacher station and visit students individually at their instruments to demonstrate passages, correct technique and posture, all the while maintaining the ability to operate the lab hardware wirelessly. The LC4 Controller App provides convenient access to all of the hardware functions and even adds more features. The app lets you customize and position student icons in the classroom view to match the physical layout of the instruments in the room. The in-app attendance tracker and notepad are conveniently included, eliminating the need for additional software. The LC4 Controller App even accesses the iPad’s music library and allows the teacher to broadcast songs wirelessly to the class. The LC4 Controller App is compatible only with the Yamaha LC4 Music Lab, and requires the optional LC4 WIFI KIT.
Screenshots
Verdict
The clearest difference is rating: LC4 Controller at 5.0 against midimittr's 4.5. LC4 Controller also leads on review sentiment (100% vs 91%). midimittr's advantage is update cadence (every 2 weeks vs every 26 months) and ratings volume (50 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
LC4 Controller holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: midimittr has 50 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of midimittr's written reviews are positive against 100% of LC4 Controller's.
midimittr ships an update every 2 weeks, LC4 Controller every 26 months. The most recent releases landed on October 8, 2026 and September 23, 2026 respectively.
| Parameter | midimittr | LC4 Controller |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (50 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 91.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 50 — better | 1 |
| Update frequency | Every 2 weeks — better | Every 26 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 10 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Matthias Frick | Yamaha Corporation of America |
Customer experience
midimittr
LC4 Controller
Bugs and requests
midimittr
Reported bugs
6 issues- 'IOS Audio' crashes app on M1 Mac
- Disables iPad as audio input on M1 Mac
- Connection problem with older iOS and Yamaha MD-BT01
- Toggles not visible on iPad mini
- App keeps giving pop-ups asking to turn on Bluetooth
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- Only one device gets MIDI back when two are connected
Requested features
5 requests- Auto-reconnect for Bluetooth
- Logging function with freeze/save and filter
- Dark mode
- Audio transmitting as in-app purchase
- Option for client BT connections to auto-connect
LC4 Controller
Not enough reviews yet to summarise bugs or requests.
In-app purchases
midimittr
No in-app purchases
LC4 Controller
No in-app purchases
Questions
Is midimittr free?
Is LC4 Controller free?
Which has better reviews, midimittr or LC4 Controller?
Do midimittr or LC4 Controller have ads?
Which is updated more often, midimittr or LC4 Controller?
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