# Knob Lab vs Bluetooth MIDI Controller Pro

The clearest difference is in-app purchases: Bluetooth MIDI Controller Pro at none against Knob Lab's 4. Knob Lab's advantage is update cadence (every 5 months vs every 32 months) and review sentiment (92% vs 67%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Knob Lab sells 4 one-off in-app purchases. Bluetooth MIDI Controller Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.3 for Knob Lab against 4.4 for Bluetooth MIDI Controller Pro. Both are backed by a comparable volume of ratings — 12 and 10 respectively. Written reviews are what separate them: 92% of Knob Lab's written reviews are positive against 67% of Bluetooth MIDI Controller Pro's.

Knob Lab ships an update every 5 months, Bluetooth MIDI Controller Pro every 32 months. The most recent releases landed on October 1, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Knob Lab | Bluetooth MIDI Controller Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/knob-lab/id727466234/reviews) | **[4.4 (10 ratings)](https://appshunter.io/ios/app/bluetooth-midi-controller-pro/id6449652509/reviews)** |
| Number of ratings | **12** | 10 |
| Positive reviews | **91.7% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 32 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 3 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Uri Nachmias](https://appshunter.io/developer/316332139) | [pablo lopez](https://appshunter.io/developer/1502022592) |

## What reviewers say

### Knob Lab

[App page](https://appshunter.io/ios/app/knob-lab/id727466234)

This application transforms your iOS device into a versatile MIDI controller. It allows you to manage various DAWs and music software remotely via USB, WiFi, or Bluetooth. Create intricate control setups with a single rotary knob, affecting multiple MIDI destinations simultaneously.

**Highlights:** Remote DAW control, USB, WiFi, Bluetooth connectivity, Virtual MIDI support, Audiobus integration, Complex control mapping, iPad support, MIDI logger

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Two Knob Layout | $0.99 | one-time |
| Four/Six Knob Layout | $0.99 | one-time |
| Nine/Twelve knob layout. | $0.99 | one-time |
| Unlock all layouts | $1.99 | one-time |


### Bluetooth MIDI Controller Pro

[App page](https://appshunter.io/ios/app/bluetooth-midi-controller-pro/id6449652509)

This app allows you to connect and control various Bluetooth MIDI devices, including soft instruments, DAWs, and hardware music devices. It offers a full-range MIDI keyboard, pads matrix, and adjustable knobs and faders for comprehensive music production.

**Highlights:** MIDI Keyboard, MIDI Pads Matrix, MIDI Knobs, MIDI Faders, Multiple Control Views, State Persistence

**In-app purchases:** none


## Frequently asked questions

### Is Knob Lab free?

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

### Is Bluetooth MIDI Controller Pro free?

Bluetooth MIDI Controller Pro is free to download, with no in-app purchases.

### Which has better reviews, Knob Lab or Bluetooth MIDI Controller Pro?

Bluetooth MIDI Controller Pro is rated higher. Knob Lab averages 4.3 out of 5 from 12 ratings, while Bluetooth MIDI Controller Pro averages 4.4 from 10 ratings.

### Do Knob Lab or Bluetooth MIDI Controller Pro have ads?

Neither Knob Lab nor Bluetooth MIDI Controller Pro shows ads.

### Which is updated more often, Knob Lab or Bluetooth MIDI Controller Pro?

Knob Lab ships an update every 5 months, and Bluetooth MIDI Controller Pro every 32 months. Most recently, Knob Lab was updated on October 1, 2026 and Bluetooth MIDI Controller Pro on June 3, 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.*