Your iPhone already comes with image stabilization built-in. Thanks to the Zhiyun Smooth Q2, you can get even smoother shots. This pocket-sized stabilizer supports phones with width within 55 to 86mm. Smooth-Q2 has a pan, tilt, and roll range of 360, 265, and 305 degrees.
Smooth Q2 has max load capacity of 260g. It has pan following, following, vortex, and other modes for your livestreams, YouTube, and other video needs. You can get one of these for $139 at this time.[where to get it]