Bests & Worsts Reviews from Amazon

EDIT: They threatened me after I gave this a low rating, so I'm downgrading the rating further. I received a free sample of this product from Paperflower House for testing. Below are my results: The good: ✔ Charges up fast. This thing was up and running after a relatively short time of charging -- around 30 minutes. ✔ Battery life on this thing is pretty insane. It lasts forever. Realistically, just under 2 weeks at the rate it's currently going, if its gauge is accurate. Pretty good consider the charge time. ✔ Tracks steps taken, distance traveled, and calories burned, and can optionally track heart rate -- it seems it can also track sleep with its companion app. ✔ Has options to enable/disable heart rate tracking, face turning on when you lift your wrist, has a Do Not Disturb mode, and seemingly, a GPS tracker. ✔ Has on-demand features to track a run, a walk, heart rate, O2 (!), and blood pressure. The O2 is especially impressive given the price point, though I can't speak to any of the accuracy here. ✔ Seems to allow you to receive (but not reply to) texts you may receive on your phone. ✔ The strap is smooth and comfortable, and allows for movement without binding, or catching my arm hair or my skin. This Yamay smartwatch is $46.99 at time of publishing, so considering the feature set you get based on the above, decidedly a good deal of bang for your buck. The bad: ✖ First and foremost, its companion app "VeryFitPro", offered by "Smart Wearable Devices" feels like a rushed freshman college student project in terms of the functionality offered to the end user. It's very sloppy, and sort of unclear in terms of what does what. Worse yet, based on some very limited monitoring of the app, it seems to attempt to monitor your device, search it for private data, and sends it off to its own servers, the IPs of which appear to be in China. Fortunately for me, I blocked this bit of functionality before it actually sent data out, but as far as I could tell, it tried to read data from my entire smartphone. It also asked for location permissions and attempted to turn on my GPS, even though I was not using any GPS-related functionality. That was a quick uninstall for me. ✖ Unfortunately, because of the above, I could not actually try out the sleep tracking, the most important function of the app to me. I also removed any pairing before concluding whether the device could receive notifications from more than just an SMS text, such as Hangouts, Facebook Messenger, etc. ✖ The interface itself feels rather cheap, and there doesn't seem to be a clear way to shut the thing off. Overall, this smart watch is definitely a knock-off, and it's designed around the concept of "sporty", seemingly not by someone trying to make a great smart watch, but trying to mimic existing smartwatches. That said, that would be plenty great on its own considering its great feature set, if only it could offer all functionality/app connectivity without trying to mine your data. I imagine the sales for that are how they can offer this piece of hardware at the price they do. If your data is not important to you, however, you'll get quite an expansive feature set considering the price point.