Based on our record, watchOS seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can find the list of compatible watches all the way at the bottom of this page: apple.com/watchos/watchos-7 (it's right above the SDK section) Hope that helps clear up your confusion! Source: about 3 years ago
LocaToWeb - LocaToWeb shares the mobile GPS position in real time and stores the track data on a map. The app is available for Android, iPhone and Windows Phone.
wasp-os - Firmware for smart watches based on the nRF52 family of microcontrollers (including Pine64 PineTime)
Wear OS by Google - Wear OS by Google is a version of Android for Watches!
InfiniTime - InfiniTime is an open-source, C++-based firmware OS specifically made for the PineTime smartwatch.
Garmin Connect - Garmin Connect is a community-based website for runners, cyclists and outdoor enthusiasts who track...
InfiniLink - iOS Companion App for InfiniTime and the PineTime smartwatch