They are hoping you will subscribe to their streaming service, but it works just fine without subscribing to theirs. It also aggregates multiple streaming services into a consolidated guide rather nicely.
Not as nice as Channels DVR (which also lets you record streams and will strip commercials), but one of the nicer streaming boxes for the money.
Not as nice as Channels DVR (which also lets you record streams and will strip commercials), but one of the nicer streaming boxes for the money.