Vigor: Body Energy

Vigor turns the health data your Apple Watch already records into a single body energy score from 0 to 100 - it charges when you rest and drains when you are stressed or active, so you can see at a glance whether to push hard or take it easy. Inspired by the energy-reserve gauges on other fitness watches, but built independently on Apple Health and computed entirely on your iPhone. WHAT YOU GET - A day chart that shows your whole day as one energy curve, with an activity intensity band behind