Great cube for price, pops a lot but other than that, it's pretty fast.

I’ve used others of these which have been great and some people use it as their main. Mine however, came with perhaps too much plastic on the center mechanism and catches really hard on one side. This is a manufacturing issue. Until this problem is fixed, the 4x4 is unusable.

This cube is fantastic for the price! Give it a little lube, and you'll love it. I've been solving on it for weeks, and have had no lockups or pops. (I'm not a speed cuber.) Turns very smooth, cuts corners just fine, will lock up here and there, but nothing major. The orange is a little on the dim side for my liking, but that's easily resolved with some flourescent orange Cube Depot stickers.

This is a good cube to start. I used it and I had one pop and it seemed to always lock up and it had no cornercuting. If your starting 4x4 I recomend this, but if ur advanced don't get it

this 4x4 catches a lot, it's crunchy, and its pretty fast, but for me who's not a big 4x4 solver it's ok.

This is honestly the best budget 4x4 ever made. Although i have not tried the mf4, I have tried the aosu and in my opinion the turning quality is very similar. Dont hesitate to buy this cube, even if youre on a tight budget.

Pretty fast and controllable,decent corner cutting but pops often on loose tensions.

The YJ GuanSu is a very fast cube with not too many lockups and fairly good corner cutting. It's pretty much incredible in every way except for one small issue that keeps this cube from being my main: Sometimes when you're turning the middle layer and an outer layer, one of the small internal pieces (not the big ones) comes flying out of the cube. Then I have to find the piece an put it back in. This actually happens very frequently (maybe once every 1 or 2 solves) and when I tighten it, it loses the good corner cutting. It might be good if you like to keep your cubes on tight tensions, but for someone like me who likes to keep pretty loose tensions, it just gets too annoying to make my main.

Still, this cube is great for the price, just not 100% main material.

This is awesome. It is well worth the 8 bucks. I love moyu sticker shades. Out of the box, its dry and scratchy, but if you put a little weight 2 on the pieces and break it in, its fast, pretty smooth, and slightly bumpy/scratchy. I can't believe this was $8!

If you have this cube on loose tensions, it pops. Otherwise, I enjoy the scratchy bumpy feel of this 4x4.

it is a great cube it turns smooth corner cutting is a little below avg and the internal pieces pops alot during solves but if that was fixed it would be great

set up maru lube and wieght 1 on core and pieces a bit loose like i like wiesu soft springs

The GuanSu is clacky and smooth. The second budget 4x4 that YJ is producing offers an outstanding out of the box performance and can instantly become people's main. The stickers are standard Moyu shades and are easily replaceable. Corner cutting is great and pops are minor. Lock ups are almost non existent depending on your tensions. Overall, this is an amazing 4x4 and I would recommend this to everyone.

Great cube! it barely locks up for me and is very fast yet very controllable. The plastic is very hard which gives the cube a clacky/bumpy smooth kind of feeling which i really enjoy. and you can buy 3 of these for the price of one Aosu.

forward cutting is great but reverse is barely there but it does not effect preformance. for $8 it is really good.

To summarize this review, it is fast and crunchy. It locks up a bit, but not a lot. Lastly it doesn't pop.

This is probaly the best 4x4 on the market as of now. Not only does it cost 8 dollars. It also performs as well as some of the 15 dollar cubes. It doesn't pop and solving on it feels really smooth. All around I think this cube is a four star. The only thing holding it back is that the cube only comes in white and black and corner cutting isn't that great.

If someone was deciding between this and a MoYuy Aosu to be their main 4x4, and they had a hard time deciding, I could not blame them at all. This cube is almost as good, if not, as good as the MoYu Aosu.

Corner Cutting: outer layer corner cutting maxes out at roughly 35-40 degrees on normal tensions. Reverse corner cutting on the outer layers is quite poor at about 1/3 of a piece. Inner layer reverse corner cutting is roughly 1/3 of a piece as well. Loosening the cube would make the corner cutting better, but pop slightly more.

Due to the lackluster reverse corner cutting, it can catch quite a bit.

The cube rarely pops on normal tensions, but on tensions where it catches less less, it pops more.

The inner layers do move slightly slower than the outer layers, but not to the point where moving both layers at the same time.

It feels quite buttery and smooth with a subtle bump.

Overall I'd recommend this 100% to anyone looking for a new 4x4, and if you don't like your current aosu, I'd consider looking at this one. The only problem I really have with it is the catching, and it isn't solve ruining. It's amazing for the price, and it's good for anyone.