If you’re looking for some more steady video out of your mobile phone or GoPro, check out the LanParte HHG-01. I got one this summer and love it. It does a great job of keeping the footage steady and even does a good job with pans and tilts. You can find them on Amazon for $259.
Here’s a review of the gimbal:
Here’s a video that was filmed and edited this summer using one of the LanParte gimbals:
Here’s a nice video as well by Chris Snider of side-by-side footage with the LanParte and without:
For more smartphone video accessory recommendations, check out Snider’s updated guide here.