Google Starts Gemini Coach Preview Oct. 28

Google will begin a public preview of a Gemini-powered Personal Health Coach inside a redesigned Fitbit app for eligible Fitbit Premium users in the U.S. on Android, starting Oct. 28, with iOS support coming later and the rollout set to expand over the following week. The opt-in coach uses a five- to ten-minute voice or text onboarding to learn goals, then delivers personalized weekly workout plans, real-time adjustments during training, deep sleep analysis, an “Ask Coach” conversational Q&A, and can help users prepare questions for doctor visits, surfaced across Today, Fitness, Sleep and Health tabs. The preview is not feature-complete—nutrition and cycle tracking remain absent—but users can toggle back to the standard Fitbit experience while Google gathers feedback. Google says Coach is grounded in science and built responsibly; reviewers praise its potential to shift Fitbit toward proactive wellness but warn of AI risks, including possible hallucinations when interpreting sensitive health data. Google also teased new Fitbit hardware slated for next year (2026) to support Coach and position Fitbit as a simpler, longer-battery alternative to full smartwatches.