Air Horn Pro is a free iPhone app that turns your phone into a funny soundboard. With this app, you can prank your friends by playing various funny sounds at the touch of a button.

The app is easy to use - simply turn up the volume and press the buttons to play different sounds. Whether you want to make a loud air horn noise, mimic a car alarm, or play a funny sound effect, Air Horn Pro has got you covered.

With its simple interface and wide selection of hilarious sounds, Air Horn Pro is a great choice for anyone looking to add some laughter to their life. Download it today and start pranking your friends with funny sounds!