When you go to a movie page, you can look at movie info like the genre, cast, director, and release date. But you also can thumb through user reviews for the movie. A "more like this" section on the right helps you find similar movies if you're looking to try something new.
The subscription service for Redbox Instant will cost you $8 per month with four DVD rentals or $6 per month just for streaming. That's compared with Netflix's $8 per month for instant only, and an additional cost for DVDs. But the major difference here is the size of the two catalogs. At the time of this writing Netflix offers 14,000 TV shows and movies in its Watch Instantly service, while Redbox Instant only carries 4,600 movies and no TV shows. Redbox also does not yet have agreements with all the major movie companies, but that's likely to change as time goes on.
In other words, with fewer movies available to watch instantly, it probably wouldn't make sense for you to sign up with the Redbox right now unless you're going to take advantage of the four DVDs per month from nearby Redbox stations. But if you're already a Redbox devotee, this app is great for managing your rentals, browsing through titles, reserving movies at the Redbox near you, and watching an instant movie from time to time.