The latest iPhones are more than capable of capturing smooth video. In fact, plenty of video pros use them on a daily basis to record footage for their products. The iOgrapher Filmmaking Rig for iPhone lets you do more with your smartphone. It comes with 2 cold shoe mounts for your microphone, LED light, and other accessories. You can also mount this rig to your tripod.
The iOgrapher Filmmaking Rig has a polycarbonate and ABS plastic construction. Its ergonomic 2-handle design lets you capture smoother videos. You can get yours for under $70 at this time.