Your iPhone is already capable of capturing amazing photos and videos. With a decent rig, you can handle your phone more easily and attach your lights and microphones. The Godox VSS-R01 is an affordable smartphone rig that can hold mobile phone from 2.1 to 3.7 inches. It has two contoured grips for easy handling.
You can use this mobile phone rig to shoot horizontally or vertically. It has 6 x 1/4″ mounts and 3 cold shoes, so you can attach all kinds of accessories to it.
[where to get it]