Until now apps were used only humans, but now apps will be used for cows. Sounds funny? This is indeed true. Cows & bulls now have a mobile app to search for their 'moo love'. A UK based farming start-up has come up with a Tinder-like app named 'Tudder' for farmers. The app lets farmers find breeding matches by seeing pictures of cows & bulls with all details. A mooing sound is used to accept or reject.