For many of us, we would be much better at managing our time if we could just focus on the task at hand. This app says it can increase focus by as much as 400 percent through the use of neuroscience-based music channels. The music is selected with special emphasis on certain characteristics, like key, intensity, arrangement, speed, and emotional value that the developers say can help people tune out distractions for as much as 100 minutes straight. [Free; iOS and Android]