In China, since around 2015, smartwatches have become widely used by schoolchildren. They are advertised on television throughout the country as a safety device whereby the child can call in case of emergency. The devices are commonly colorful and made of plastic. They normally have no display unless a button is pushed. These smartwatches have limited capability compared to other smartwatches; their main functions consist of being able to conduct calls, displaying of time, and sometimes have air temperature sensitivity. They cost around $100 to $200 USD.
Like previous Gear watches, the Gear Sport uses a rotating bezel and two side buttons for most of its navigation. This works better than you’d think by looking at it, and it’s a boon to those who wear gloves for part of the year. In fact, we actually prefer this approach to Wear OS or the Apple Watch: Rotating through your home screens, notifications, lists of apps, or messages happens at remarkable speed for a tiny device. The screen is 1.2 inches and 360 pixels in diameter, but it’s brighter than our pick’s, and it looks decent enough while displaying most content, though text isn’t as sharp as on the Fossil screens. The watch itself is not small, at 43 and 44 millimeters wide and tall, respectively, and 11.6 mm thick, but it’s nowhere near as beefy as our prior pick, the Gear S3.
On 9 September 2014, Apple Inc. announced its first smartwatch called Apple Watch to be released in early 2015.[75] On 24 April 2015, Apple Watch began shipping across the world.[76] Apple’s first try into wearable technology was met with considerable criticism during the pre-launch period, with many early technology reviews citing issues with battery life and hardware malfunctions. However, others praised Apple for creating a potentially fashionable device that can compete with "traditional watches,"[77] not just the smartwatch industry in general. The watch only turns on when activated (either by lifting one's wrist, touching the screen, or pressing a button). On 29 October 2014, Microsoft announced the Microsoft Band, a smart fitness tracker and the company's first venture into wrist-worn devices since SPOT (Smart Personal Objects Technology) a decade earlier. The Microsoft Band was released at $199 the following day, on 30 October 2014.[78]
Flaws but not dealbreakers: The Apple Watch requires an iPhone—if you have another kind of phone, you’re out of luck. While good Apple Watch apps are better than what you get for Android smartwatches, many are still very limited compared with their phone counterparts. And it can get annoying how aggressively the Apple Watch turns off its screen (to save energy) whenever it senses you’ve put your arm down.
Smartwatches, like smart phones, can also run apps, via your smart phone or right on the watch. These include health and fitness apps (thus the comparison with activity trackers), apps that control functions such as music and the camera on your phone, navigation apps, and more. Because most smartwatches have open software platforms (at least so far), developers are coming up with new and innovative apps that can increase the functionality of the devices.

Apple is back with the Apple Watch Series 4, the latest in the smartwatch game that's focused on helping wearers live a healthier lifestyle. Running on Apple’s S4 64-bit dual-core processor and the new WatchOS 5 operating system, it’s twice as fast as its predecessor. Available in two sizes — 40 mm and 44mm — it has a 30 percent larger display than the Series 3 and comes in six different aluminum and stainless steel finishes. New improvements include Walkie Talkie mode and a speaker that is 50% louder than in the Series 3. The microphone has been moved to the watch’s opposite side to reduce noise and create clearer phone calls. The bottom, now made from black ceramic and sapphire crystal for better radio wave transmission, is intended to help with cellular reception and call quality.
There's now a heart rate monitor, as the name suggests, for tracking beats throughout the day and during exercise, a GPS monitor to keep up with your workouts and an NFC chip to enable Google Pay. Add to that the ability to take this underwater up to 50 metres, all on the top of the refreshed Wear OS, and it all rounds out as a very complete smartwatch experience.
As mentioned, the rotating crown on the Q watches is a bit stiffer than it should be. This makes it somewhat more difficult to spin through notifications or scroll through a longer bit of text with the tip of one finger. The fix is to push the crown forward or backward from a lower angle, or roll more of your finger over it. It’s easier to turn with two fingers, but that’s definitely not a convenient gesture; you’ll likely just learn to get the rolling right.
Samsung's Galaxy Watch, a Tizen OS watch (starting at $329), is our favorite smartwatch for Android users. In addition to up to four days of battery life and a great design, the Galaxy Watch offers built-in GPS, heart rate sensor, water-resistance, Samsung Pay support, plus a nifty rotating bezel for navigating the interface. You can also download music from Spotify to the watch for offline listening. However, you get far fewer apps than you would with a Wear OS watch.
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