This product has been keeping my shower looking and smelling clean for the past three weeks now, and it is fun to use. All you have to do is hang it from your showerhead, push a button and get out of the way. It has a nozzle that will turn 360 degrees and spray the cleaner. It works in showers and tubs with showerheads, as long as you have somewhere to hang it up.
The company touts it as being the end to scrubbing, but so far it hasn't worked to get off any big spots. It is good for what I would call routine maintenance though. It costs extra for refills which you will need about every three weeks if you use it daily. Now they have a refill in lavender scent that I like. But they are about 5 bucks each.
Honestly, for this price, you may be better off just buying a regular bottle of Shower Shine, but that wouldn't be as much fun, would it?