watchOS helps you better understand your daily health status using your overnight vitals and shows you how workouts impact your body over time.
Cost / License
- Free
- Proprietary
Platforms
- Apple Watch




AsteroidOS is described as 'The open-source operating system for smartwatches with an active development community and growing list of supported watches' and is an app in the os & utilities category. There are five alternatives to AsteroidOS for a variety of platforms, including Linux, Android, iPhone, Android Tablet and iPad apps. The best AsteroidOS alternative is watchOS, which is free. Other great apps like AsteroidOS are Wear OS, InfiniTime, wasp-os and Espruino.
watchOS helps you better understand your daily health status using your overnight vitals and shows you how workouts impact your body over time.




Wear OS is a version of Google's Android operating system designed for smartwatches and other wearables. By pairing with mobile phones running Android version 4.4 or newer, or iOS version 9.




Espruino is a JavaScript interpreter for microcontrollers. It is designed for devices with as little as 128kB Flash and 8kB RAM.
