Google’s aiming to be your personal concierge for all things health and fitness. The company has started rolling out a major refresh of the Fitbit app, complete with a modern redesign and a new built-in personal trainer, aka Coach, powered by Google’s Gemini AI — just not to everyone yet. Starting Oct. 28, the new experience will be available to eligible Fitbit Premium users in the U.S. on Android, with a wider release planned over time.
As the race to build smarter, more personalized health platforms intensifies, Google is leaning on its full ecosystem of hardware, software and AI assistant to set Fitbit apart. With the wrist as the centerpoint of the data (via Pixel Watch and Fitbit trackers), Google is aiming to evolve its platform from a passive fitness tracker into a proactive, AI-driven wellness companion.
What to expect
While I haven’t yet tested the preview version myself, Google’s demo suggests a cleaner, more intuitive layout built around four main tabs: Today, Fitness, Sleep and Health.
The Today tab, which is what you’ll consult most frequently, highlights glanceable stats with a stronger focus on weekly trends. Google says these are a truer reflection of progress compared to the usual day-to-day insights that other trackers emphasize. The other tabs let you dig deeper into detailed metrics across categories like sleep stages and vitals. And this time, the burden of interpreting the data won’t just fall solely on the user.
Woven throughout the app is a new Coach feature, that you can access through an


