Whoop is about to get some serious competition. Last year, Polar challenged Whoop’s screenless health and fitness tracker with its subscription-free Loop , and now Google is jumping into the arena with the Fitbit Air. As previously teased by Golden State Warriors point guard Stephen Curry, the $99.99 Fitbit Air is also a screenless wrist-worn wearable. It tracks all the stuff you’d expect from a wearable—like steps, workouts, and sleep—but the thing that connects all of the monitoring and helps you make sense of the data is the revamped Google Health Coach (previously in beta). Google using AI to understand your fitness and health data? Who could have predicted that?! In all seriousness, this is where wearables are headed . With the troves of data pulled from wearable sensors, it only makes sense to have an AI “coach” to do stuff like spot trends and provide guidance. And Google says this time the coaching will feel more personal—catered specifically to the individual wearer—thanks to Gemini.…