Athlytic ($29.99/£29.99 per year) is pretty much a Whoop alternative in its own right, and will also analyze sleep, HRV ...

Boosting daily hydration levels has never been easier, thanks to Water Tracker Waterllama, a free app that motivates users ... the highly rated option among the many Apple Watch health and fitness ...

Fortunately, Apple allows app developers to make use of all that helpful health telemetry ... and has apps for iPhone and iPad as well. It's free to use. Premium costs $7.99/month (it's much ...

While the unreleased application itself will likely never debut to the public, Apple could bake its features into its existing Health app down the road. The company has also been working on a ...