# MouthPedal vs Tuner Wave

The clearest difference is update cadence: MouthPedal at every 2 months against Tuner Wave's every 19 months. On price, review sentiment, ads and in-app purchases 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, Tuner Wave every 19 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | MouthPedal | Tuner Wave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tuner-wave/id6462375879/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 19 months |
| Monetization | Free | Free |
| Size | 4 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Peter Hafner](https://appshunter.io/developer/1625319412) | [Taehyuk Kwon](https://appshunter.io/developer/1702983946) |

## 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


### Tuner Wave

[App page](https://appshunter.io/ios/app/tuner-wave/id6462375879)

This utility precisely tunes guitar strings with advanced frequency resolution, achieving less than 0.2% offset. It offers superior accuracy compared to other iOS tuning apps.

**Highlights:** Precise guitar string tuning, Enhanced frequency resolution, Less than 0.2% offset accuracy, Superior to other iOS tuning apps

**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 Tuner Wave free?

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

### Do MouthPedal or Tuner Wave have ads?

Neither MouthPedal nor Tuner Wave shows ads.

### Which is updated more often, MouthPedal or Tuner Wave?

MouthPedal ships an update every 2 months, and Tuner Wave every 19 months. Most recently, MouthPedal was updated on November 3, 2026 and Tuner Wave on November 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.*