Mouth Harp 4+

Arlo Leach

    • 3.3 • 4 Ratings
    • Free

iPhone Screenshots


The mouth harp is a small folk instrument also known as a jaw harp or jew's harp. When you hold it to your mouth and change the size of your mouth cavity, the sound of the instrument changes, similar to a guitar played through a "wah wah" pedal.

To play the mouth harp app:

1) Touch the iPhone screen to your lips.

2) Tap the thin end of the mouth harp to hear a "twang" sound.

3) Move your lips further apart or closer together to change the frequency response of the sound.

If you're having trouble, tap the (?) icon to show the "hot spots" on the screen.

To see how the app works before you buy it, to send feedback or to request help, please visit

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What’s New

Version 1.2

This app has been updated by Apple to display the Apple Watch app icon.

Updated for iOS 11 and iPhone X.

Ratings and Reviews

3.3 out of 5
4 Ratings

4 Ratings

dont lick ur iphone ,

Cool idea.

Needs work. I can already use the iPhone speaker in my mouth to make fun sounds. So the lips on screen doesn’t work. Needs to be able to choose a key. Worth some time on the developers part.

Eykon 77 ,

Pretty cool game

My mom walked in and gave me the the death stare then ran out when I was doing this and probably thought I was making out with my phone 😂😂😂😂😂 all though it is (hard) to make the boing sound with your lips so I just used my finger and still did not work???????

ewesthuis ,


This app is frigging sick all it is is a basic mouth harp which is all I wanted!!! those look like mouth harps right??!! lol

App Privacy

The developer, Arlo Leach, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.

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