Fart Piano Free is a free iPhone app developed by ObjectGraph LLC. This multimedia program falls under the Music & Radio subcategory and offers a unique and entertaining experience.

With Fart Piano Free, you can enjoy a variety of fart sound effects in a piano key style. Simply tap on the keys to produce hilarious fart sounds that are sure to make everyone laugh. The app encourages you to turn on your speaker for the full effect.

The app has received mixed reviews from users. Some find it fun, especially for younger ones, and enjoy playing tricks on their friends. Others find it dirty or yucky, while some consider it absolutely stupid. However, there are also positive reviews from users who found it entertaining and had fun with it.

If you're looking for a lighthearted and humorous app to bring some laughter to your day, Fart Piano Free might just be the app for you. Give it a try and see if it tickles your funny bone!