# MouthPedal vs Trombone Level

The clearest difference is ads: MouthPedal at none against Trombone Level's shown. Trombone Level's advantage is update cadence (every 2 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

MouthPedal ships an update every 2 months, Trombone Level every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MouthPedal | Trombone Level |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 40 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Hafner](https://appshunter.io/developer/1625319412) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### MouthPedal

[App page](https://appshunter.io/ios/app/mouthpedal/id6448126913)

This app uses your device's camera to detect mouth openness, acting as a hands-free sustain pedal for music creation. It offers MIDI connectivity for DAWs and standalone use with MIDI keyboards, providing an accessible solution for musicians.

**Highlights:** Mouth openness recognition via TrueDepth camera, MIDI network connectivity for DAWs, AUv3 instrument support, Adjustable responsiveness threshold, Accessible design with VoiceOver and haptics, Hands-free control for music creation

**In-app purchases:** none


### Trombone Level

[App page](https://appshunter.io/ios/app/trombone-level/id6748576970)

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

**In-app purchases:** none


## Frequently asked questions

### Is MouthPedal free?

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

### Is Trombone Level free?

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

### Do MouthPedal or Trombone Level have ads?

Trombone Level shows ads; MouthPedal does not.

### Which is updated more often, MouthPedal or Trombone Level?

MouthPedal ships an update every 2 months, and Trombone Level every 2 weeks. Most recently, MouthPedal was updated on November 3, 2026 and Trombone Level on October 30, 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.*