ShiftCam “ProGrip” DSLR-Style iPhone Shutter Grip + Wireless Power Bank
Adds a comfortable and ergonomic photo-shooting grip to your iPhone 13, 12, or 11 — along with some extra battery power for those longer shooting sessions.
Pictar — A Camera Grip for iPhone [Kickstarter]
A clever gadget that aims to combine the iPhone's photographic capabilities with the physical controls and features of a standalone camera.