Bottom line: Some fitness trackers work equally well with an iPhone or Android device, but some smartwatches are built to pair with Android phones so you won’t enjoy full functionality and pairing on an iPhone. The Apple Watch only pairs with the iPhone so is off limits to Android users. Your existing phone choice will play an important part in choosing a smartwatch. You can check your smartphone’s compatibility with a range of Google Wear-powered smartwatches at g.co/WearCheck
Wear OS’s chief problem, as we see it, is that it relies too much on input from swipes, taps, and other finger gestures. On a largish screen, such as on our top pick, this is less of a problem, but on smaller devices, trying to hit just the right button on the screen is like playing a very small version of Duck Hunt. The Apple Watch, by comparison, makes most of its buttons screen-wide rounded rectangles, which are easier to hit. On newer watches with three buttons, Wear OS also doesn’t utilize the physical controls beyond the home display (watch face), where they serve as shortcuts to apps or a list of apps.
If you’re into premium smartwatches, the Montblanc Summit is the latest option hitting watch shops around the world. Out of the box, it runs atop Android Wear 2.0 with the standard specifications — Snapdragon Wear 2100, 512mb of RAM, and 4GB of storage. There’s no NFC or LTE on board, but the watch does feature a heart rate sensor and premium materials.

The Misfit Vapor was originally launched with a proprietary operating system, but that was ditched for Android Wear 2.0. The Vapor has a 1.39-inch AMOLED display, Snapdragon Wear 2100 processor, 4GB of storage, 512mb of RAM, and a heart rate sensor. Those specs are fairly standard for Android Wear, but the Vapor also includes 5ATM water resistance which is a huge plus, and an assortment of software features added by Misfit.
Although rectangular is the most common design, there are smart watches that have a circular display similar to regular watches. The Apple Watch is only available in the rectangular design. The circular design is available in the Samsung Gear S2, Moto 360, and LG G Watch R models. Many models have changeable straps, so you can dress casual, sporty, and formal.

Google confirmed to Tom's Guide that the company won't be releasing its own Wear OS smartwatch this year. The news comes after months of rumors that a Google-branded Pixel Watch running on Qualcomm's latest processor would be launched at Google's October hardware event. Instead, Google plans to focus on adding features to Wear OS on the software side and support the companies who are currently making Android smartwatches. Google's hardware event is Oct. 9.
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