# Knob Lab vs vibro

The clearest difference is in-app purchases: vibro at none against Knob Lab's 4. vibro also leads on iOS requirement (9.3 vs 15.0). Knob Lab's advantage is update cadence (every 5 months vs every 97 months) and review sentiment (85% vs 75%). On price, ads and device support there is nothing between them.

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

Knob Lab ships an update every 5 months, vibro every 97 months. The most recent releases landed on October 13, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Knob Lab | vibro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (12 ratings)](https://appshunter.io/ios/app/knob-lab/id727466234/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | **84.6% of reviews** | 75.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 97 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 66 MB | 12 MB |
| Requires iOS | 15.0 | **9.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Uri Nachmias](https://appshunter.io/developer/316332139) | [ALEXANDER SKALOV](https://appshunter.io/developer/1074092322) |

## 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 |


### vibro

[App page](https://appshunter.io/ios/app/vibro-sensitive-stroboscope/id1138465032)

Create a dynamic light show that pulses to the beat of your music, transforming any space into a club atmosphere. It's also a versatile tool for games, fitness tracking, and even creative spy communication.

**Highlights:** Music-synced light effects, Create club atmosphere, Dance battle tool, Improve dancing skills, Endurance competition game, Pulse impulse check, Spy communication device

**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 vibro free?

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

### Do Knob Lab or vibro have ads?

Neither Knob Lab nor vibro shows ads.

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

Knob Lab ships an update every 5 months, and vibro every 97 months. Most recently, Knob Lab was updated on October 13, 2026 and vibro on October 17, 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.*