# Knob Lab vs WiDI

The clearest difference is price: Knob Lab at Free against WiDI's $1.99. WiDI's advantage is in-app purchases (none vs 4) and update cadence (every 6 weeks vs every 4 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

Knob Lab is free to download; WiDI costs $1.99 up front. Knob Lab sells 4 one-off in-app purchases. WiDI 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 WiDI. Both are backed by a comparable volume of ratings — 12 and 8 respectively. Written reviews are what separate them: 85% of Knob Lab's written reviews are positive against 80% of WiDI's.

Knob Lab ships an update every 4 months, WiDI every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Knob Lab | WiDI |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | [4.3 (12 ratings)](https://appshunter.io/ios/app/knob-lab/id727466234/reviews) | **[4.4 (8 ratings)](https://appshunter.io/ios/app/widi-midi-studio/id1420223879/reviews)** |
| Number of ratings | **12** | 8 |
| Positive reviews | **84.6% of reviews** | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| 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

[App page](https://appshunter.io/ios/app/widi-midi-studio/id1420223879)

Create custom MIDI control surfaces and an integrated step sequencer to send MIDI events and play sequences. Connect to MIDI instruments and DAWs via network sessions or class-compliant interfaces. Automate control values with advanced modulation options.

**Highlights:** Customizable control surface (buttons, pads, knobs, faders), Integrated step sequencer with multiple tracks, MIDI Network Session support for DAWs, Auto-discover MIDI CC numbers, Automate CC values with step modulator, Support for class-compliant MIDI interfaces

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Knob Lab free?

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

### Is WiDI free?

WiDI costs $1.99, with no in-app purchases.

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

WiDI is rated higher. Knob Lab averages 4.3 out of 5 from 12 ratings, while WiDI averages 4.4 from 8 ratings.

### Do Knob Lab or WiDI have ads?

Neither Knob Lab nor WiDI shows ads.

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

Knob Lab ships an update every 4 months, and WiDI every 6 weeks. Most recently, Knob Lab was updated on October 24, 2026 and WiDI on October 24, 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.*