The app links up with the Rotten Tomatoes API, and at the moment its algorithms make suggestions based on film titles you input. You could also use actors, directors, genres and other parameters.
Movie Night, an app developed at TC Disrupt hackathon enables you and your friends to collaboratively decide on a movie to watch. You know, in order to avoid the endless debate. Does it work in real life scenarios I don’t know. But I sure would like to give it a try.