The Air is not meant to stand on its own so much as serve as a data collector within Google’s expanding health software ecosystem. (The company also rebranded the Fitbit app to “Google Health.”) Built on Gemini, Health Coach is the brains of the system, promising personalized guidance based on your habits, goals, and biometric data. Rather than simply displaying stats, Google Health Coach translates them into actionable recommendations. It can generate workout plans, suggest recovery windows based on strain and readiness, and analyze sleep disruptions. It’s meant to provide ongoing coaching that evolves alongside your routine.
Despite its stripped-back exterior, the Air retains the same breadth of tracking capabilities as the Charge 6. That includes baseline metrics like steps, distance, and calories burned, alongside more advanced features such as weekly Cardio Load and Daily Readiness scoring. It also continues to offer 24/7 heart rate tracking, including irregular heart rhythm notifications that can flag potential signs of atrial fibrillation (AFib), alerts for high or low heart rate readings, and heart rate variability (HRV) insights.
Sleep tracking gets a modest upgrade. The Air still delivers Fitbit’s personalized Sleep Score, but Google says the system—now powered by Google’s Gemini—is 15 percent more accurate than the previous model at capturing interruptions, naps, and transitions between sleep stages. It also includes Smart Wake alarms, which aim to wake users at the optimal point in their sleep cycle for an easier start to the day.
It’s worth noting here that while Health Coach is at the heart of Google’s health software ecosystem, it’s also a subscriber-only feature. Anyone can use the Google Health app for free, and if you have a Fitbit device or Pixel Watch, you can continue to see your activity, sleep, and health-tracking data. (Google also intends to offer support to a wider array of devices later in the year.) If you want access to Health Coach or features like adaptive fitness plans, it will cost $10 per month ($100 per year) for Google Health Premium. You get three free months with the purchase of the Air, and it’s also included for anyone subscribed to Google One’s AI Pro and AI Ultra subscription plans.
If you’re already in the Google wearables ecosystem, the Air is designed to slot into your routine without friction. Both the Air and the Pixel Watch pair with the Google Health app, meaning you can wear them simultaneously or switch between them. Health data syncs automatically, and the app lets you filter metrics by device. It’s a small but telling detail that reflects Google’s broader attempt to unify its lineup and build interchangeable inputs for a singular health platform.
The new Google Health app rolls out May 19 for Android and iOS. The Fitbit Air is available for preorder today and launches on May 26.
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