Swell (2016) is a Science Fiction, Comedy, Drama film that follows swell is a smartphone app that changes your mood through sound. When a young couple tries to control each other’s settings, they find their relationship threatened by an unintended cacophony of emotions. Swell is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 6.3 out of 10 from 3 votes. Fans of science fiction movies may also want to explore similar titles below.