iTruthiDare is a truth and dare app that allows you and your friends to have fun. It's a +17 app that is meant for adults. More than 100 truths and dares combine. You get an extra button that's random. It'll allow the system to randomly pick a truth or dare for you. Note, this option is for players who know what they're doing.
The rules are simple. Slide the slider, add players name, submit it then start.