Yes, you can make a movie with your iPhone. As Steven Soderbergh (“High Flying Bird”) and Sean Baker (“Tangerine”) have showed, the image capture capabilities on smartphones has gotten to the point that for certain types of stories an iPhone will get the job done. Although the camera alone isn’t going to do the job. You are going to need some gear and apps to help make your film professional. Here are 10 purchases IndieWire believes will help.