Air Horn and Fart Sounds is a free iPhone application developed by ZhenShan Dong. This lifestyle app allows users to turn their device into an air horn, razor, police siren, or fart machine. Whether you need to make some noise or play jokes on your friends, Air Horn and Fart Sounds has got you covered.

With a wide selection of noises to choose from, including air horn, police siren, razor, fart sounds, gunshot, mosquito, rubber chicken, and fly, users can easily prank or scare their friends wherever they go. Simply select a sound and "long press" to wake your friends up or create a humorous atmosphere.

Air Horn and Fart Sounds is a fun and entertaining app that provides a variety of sounds to add excitement to any situation. Whether you're looking to liven up a party or have a laugh with your friends, this app offers a range of options to suit your needs.