# Knob Lab vs WiDI MIDI Studio

The clearest difference is rating: WiDI MIDI Studio at 5.0 against Knob Lab's 4.3. WiDI MIDI Studio also leads on monetization model (free vs free with in-app purchases) and iOS requirement (10.0 vs 15.0). Knob Lab's advantage is ratings volume (12 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Knob Lab sells 4 one-off in-app purchases and WiDI MIDI Studio sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

WiDI MIDI Studio holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Knob Lab has 12 ratings behind it against 2, so its average is the more settled of the two.

Knob Lab ships an update every 4 months, WiDI MIDI Studio every 3 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Knob Lab | WiDI MIDI Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/knob-lab/id727466234/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/widi-midi-studio/id1437308268/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 84.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 26 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uri Nachmias](https://appshunter.io/developer/316332139) | [HYPERTIDE SAS](https://appshunter.io/developer/1403863340) |

## 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 |


### WiDI MIDI Studio

[App page](https://appshunter.io/ios/app/widi-midi-studio/id1437308268)

Create custom MIDI control surfaces and sequences for your music production. Map buttons, pads, knobs, and faders to send MIDI events and control instruments or DAWs. Features an integrated step sequencer for composing musical ideas.

**Highlights:** Customizable MIDI control surface, Integrated step sequencer, MIDI CC and Note generation, MIDI network session support, Automate CC values, Group sequences for synchronized playback

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WiDI Fully Unlocked Version | $1.99 | one-time |


## Frequently asked questions

### Is Knob Lab free?

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

### Is WiDI MIDI Studio free?

WiDI MIDI Studio is free to download, with in-app purchases available.

### Which has better reviews, Knob Lab or WiDI MIDI Studio?

WiDI MIDI Studio is rated higher. Knob Lab averages 4.3 out of 5 from 12 ratings, while WiDI MIDI Studio averages 5.0 from 2 ratings.

### Do Knob Lab or WiDI MIDI Studio have ads?

Neither Knob Lab nor WiDI MIDI Studio shows ads.

### Which is updated more often, Knob Lab or WiDI MIDI Studio?

Knob Lab ships an update every 4 months, and WiDI MIDI Studio every 3 months. Most recently, Knob Lab was updated on October 24, 2026 and WiDI MIDI Studio on October 12, 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.*