Google redesigns Fitbit app with Gemini-powered Personal Health Coach

Google unveiled a substantial redesign of the Fitbit mobile app that incorporates a Gemini-powered Personal Health Coach, marking a significant step in bringing AI-driven guidance to everyday fitness, sleep, and wellness. The update, described as a preview for Fitbit Premium users in the United States, will roll out later this year and is designed to work across all past Fitbit devices as well as the Pixel Watch 4.

The redesigned app centers on a cleaner, more expressive interface built on Google’s Material 3 Expressive design language and adds a dark mode. The top segment of the screen is more compact, with the main circular metric to the left and three related stats adjacent to it. The bottom navigation has been reorganized into four tabs—Today, Fitness, Sleep, and Health—along with clearer data visualizations and improved layouts to help users find information quickly. A prominent new feature is the Ask Coach button, which invites direct conversation with the AI coach and supports a more conversational, responsive user experience. Google says the redesign aims to make insights more digestible and the syncing process more reliable.

The Personal Health Coach itself is framed as...