Amazon.com.au:Customer reviews: Ulanzi ST-03 Phone Holder- Multi-Function Aluminium Tripod Mount Hoder Stand Adapter with Cold Shoe for iPhone 8 7plus Android Mobile,Support Microphone/LED Video Light for Vloogng Livestreaming
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It folds down very neatly, exactly as advertised. Slim enough to slip in a shirt pocket, goes much smaller than any other smartphone mount I've seen, and in that regard would make a great replacement for whatever mount came with your selfie stick/tripod/etc (so long as that can be removed and replaced via 1/4 screw, always look for a model that can do this!)
It feels very sturdy, and the fact that it screws on means that (unless the screw strips), this won't get slack over time like a spring-loaded mount will. You can be sure your phone is not going anywhere. (Almost - more on that in a moment.)
It has an onward cold shoe mount, without which I wouldn't even consider buying a standalone phone mount. (You can attach a spirit level to get even pictures, a shotgun microphone for video, a light, etc, or some kind of onward converter to attach basically anything else that could sit on top of a phone to enhance photography/video. Why pass up on that opportunity, and close that door for yourself??) It's built into the design in a very slick way, too.
It's cheaper than the Joby GripTight Pro 2, which is my best recommendation, although that one is probably overkill for many people's needs.
What I don't love:
It's pretty heavy for its size. I suppose that comes with the territory with durable metal construction, but I actually think it makes it too heavy for the onward cold shoe to be much use on a "smartphone" tripod, selfie stick, etc. Anything with an adjustable height pole that may bend or sink under weight is going to struggle with this once it has a 150g phone in it and a light or a short stack of gizmos on top. I haven't weighed it precisely, but it's about as heavy as my phone. Perhaps I should have gone for a plastic mount - though I couldn't go past this design!
The grip pads are a bit rubbish. There's no cushioning for the phone, and they are totally flat; something curved, or something the edge of the phone would sink into just a little, would make the edge of the phone less likely to slip, and you wouldn't have to put as much pressure on the phone to get a slip-proof hold. Not super pleased about that, and will probably glue something onto the grip pads myself to address this, or at least cushion with a spot of blue tack (if that won't get stuck in my phone case).
It's also not angle-adjustable within itself (which the Joby one is), although I wouldn't try to mess with the simplicity of the design by adding that when customers can just mount it to a mini ball head (<$5 including delivery) if they want it to move around. (I personally wouldn't buy another mount over this one because of that feature, especially if there were other trade-offs.)
In short, this is a fantastic design, but it still needs a bit of work to be wholeheartedly recommended. A subsequent generation of this with a little reworking could blow every other phone mount on Amazon out of the water.
It is well built - all metal construction. Packs very flat which makes the product very portable. Stands on its own, so technically you can leave your phone on the mount and then use it as a stand (unconventional - but it works).
Love the screw down method to keep the phone in place. Far more secure and less cumbersome than the 'elastic/spring action' models. The screw method also allows for larger phones too, even with a case. I am using an LG V20 with a case and there is plenty to spare in terms of phone size capability.
A thing to note: when adding the Boya MM1 microphone, the 'cog' that you spin to screw/lock the mic to the cold shoe does get a little cramped as the screw of the ST-03 does get very close to it.
Machined from solid metal, it has a nice weight and solid feel to it. Its a bit slow having to screw and unscrew each time you place your phone, but it holds well and is built to probably last forever as there are no springs to get loose over time, nothing to mechanically wear down or break, and in general no points of failure I can see.
There is however no allen key included so if it becomes loose over time, you may need your own allen key to tighten the screws back up, my unit was tensioned perfectly out of the box and felt smooth and tight enough to not have any wiggle.
It seems a bit pricey, but you really do get what you pay for. I was after something to use longterm, and this is definitely without a doubt it.