It is a small download and doesn't require heavy system resources.

Unlike Spotify, where you might spend 20 minutes picking a playlist, this app gets you working in two taps.

It lacks advanced tools like the built-in timers or intensity levels found in competitors like Braintunes .

Allows you to browse other apps or lock your screen while the music continues.

Includes Classical, Jazz, Chill Out, Pop, K-pop, and Rock.