Focus@Will is a subscription service that offers sequenced playlists of instrumental music intended to improve users’ productivity.
[2][3] Users choose from a number of different channels, including classical, up tempo, focus spa, cinematic, and ambient.
[4] The app allows its users to personalize the effectiveness of the focus enhancement by skipping tracks that they find distracting.
[9] Jack Curtis Dubowsky, a composer, described this as "flimsy pseudo-science" and compared it to Muzak, which claimed in a report in 1956 that it increased worker productivity.
[12][13] The expanded service incorporated a timer for users to set work session intervals, and a productivity tracking function to measure efficiency and focus.