Where and when are you going to catch the latest film? All of the following apps will allow you to get movie listings by theater or by movie. You get a description of the movie, rating, and length. You can map the movie theater of your choice. Each of the following has slightly different additional features, and you'll need to decide which is most important to you in order to decide which app to keep on your iPhone. They are all free, so why not try out a couple and see which you like the best?