Good. They fucking sucked, and they never supported them.
We bought 2 of their watches, brand new. The gen 4 literally had like 6 months of life in it before they stopped supporting it, and apps stopped working on it.
It had abysmal battery life and performance, basically unusable.
We also had the Sport. The front fell off. Which is not very typical, I'd like to make that point. The screen kinda opened up, flopped over and ripped itself off when going to bed. We got a replacement, horrible customer service, we had to hunt down a store that had the watch in stock, and then argue with them to make them understand that we're here for a warranty replacement, and they didn't know what to do.
That watch then proceeded to live for 3 months before they suddenly cut support and new apps stopped running on it.