https://arstechnica.com/gadgets/2018/03/gear-sport-review-the-only-fitness-watch-for-samsung-die-hards/

Despite recent watchOS dominance, Samsung hasn't given up on Tizen. The OEM's wearable operating system continues to power a bunch of devices made exclusively by Samsung, including the $249 (originally $299) Gear Sport. Introduced last year, the Gear Sport is the successor to the Gear S3 and the smartwatch cousin of the Gear Fit 2 Pro band.

It's easy to forget about Tizen since it's not as well-known or well-marketed as Android Wear or watchOS. But considering the Gear Sport can connect to both Android and iOS devices, users shouldn't rule Tizen out of their smartwatch buying decisions. While the Gear Sport isn't drastically different from the 2016 Gear S3, it's updates make it a viable competitor to the top Android Wear devices and the latest Apple Watch.