Insanity program - workout app is an application with a workout program developed by Shaun T, who is an American motivational speaker, fitness trainer, fitness motivator, businessman, television personality and choreographer. He is best known for his home fitness programs for adults and children which include T25, Insanity and Hip-Hop Abs.
Carl Daikeler and Jon Congdon launched the Beachbody fitness company in 1998. They were looking for new fitness workout home videos. They approached Shaun T who submitted a demo which would later be called "Insanity", released in 2009. It was termed "the hardest workout put on DVD". It was sold through TV ads. Because of the difficulty of the workout and its popularity, Shaun T has been a guest on the The Oprah Winfrey Show, The Tyra Banks Show, Doctors and the Dr. Oz Show.