Google and Fitbit launch AI-powered coach and new app

Last update: 26/08/2025

  • Gemini launches a personal trainer in the Fitbit app with tailored plans and responses.
  • Fitbit redesign with Material Design 3, new tabs, and direct access to the AI ​​coach.
  • Dark mode in Fitbit App 4.50 and new features in Wear OS: updated icons and new Tiles.
  • October preview for Fitbit Premium users in the US, compatible with Fitbit and Pixel Watch devices.

Google and Fitbit AI Coach

Google and Fitbit take a step forward with the Gemini integration into a personal trainer that lives within the Fitbit appThe idea is simple: Bringing exercise, sleep, and wellness tracking together in a single assistant, which can also answer specific questions in the context of your data..

The project comes accompanied by a deep redesign of the application, more visual and with direct access to AI from any section. The rollout will begin as a preview and, as usual, will gradually reach compatible users and devices.

AI Personal Trainer: How It Works and Objectives

Gemini on Fitbit

The new assistant Combines a fitness coach, a sleep coach, and a health and wellness advisor into one tool.Using Gemini's AI as its foundation, the system generates personalized training plans that adjust in real time to your progress, habits, and limitations.

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Rest plays a key role: Specific algorithms are applied to understand sleep patterns and propose routines to improve their quality., in addition to aligning your bedtime schedule with your daily activities and goals.

The interaction is conversational and contextual. You can ask questions at any time. —for example, whether you'd better take a break or do a light session— and the coach will respond based on your recent metrics (workouts, sleep, stress) with understandable explanations and actionable recommendations.

Plan adjustments are automatic When you respond to signs such as a bad night's sleep, a drop in energy, or muscle discomfort, the system adjusts loads, suggests alternatives, and prioritizes recovery to stay on track toward your goals without overexerting yourself.

The coach is integrated into the redesigned Fitbit app and will be part of Fitbit Premium. It will be available for Fitbit devices and Pixel Watch., so you can check, record and receive advice from your wrist.

New Fitbit app and changes to Pixel watches

Fitbit app redesign

The Fitbit app adopts Material design 3 and reorganizes your experience into four tabs: Today, Health, Sleep, and Workout. In addition to show more information at a glance, each relevant metric adds shortcuts for “ask the coach” and a floating button to ask the AI from any screen.

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Early tests point to an abundance of AI-generated insights. While these are useful for understanding trends and decisions, some users have noticed that text blocks can be longA possible improvement would be shorter summaries with the option to expand upon request.

also comes the dark mode with Fitbit App 4.50 on Android and iOSIts advantages are well known: less blue light (better for night vision), Battery saving on OLED displays and high contrast for easy readingFitbit indicates that most of the app already supports it, although certain elements may not be fully supported in the initial release.

On Wear OS, the Fitbit app for Pixel watches updated with renewed icons (Exercise, Relax and Today) and new Tiles such as Body Responses, Quick Start Exercise, and Daily Heart Rate. The style is now more rounded, with gradients and more visible action buttons, and its distribution is gradually arriving on different Pixel Watch models.

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Availability, compatible devices and other details

Fitbit Personal Trainer with AI

El The Gemini trainer's deployment will begin in October. As a preview for Fitbit Premium subscribers in the United States, with expansion to more regions in later phases. The company has not specified dates for other markets at this time.

It will be compatible with the latest Fitbit trackers and watches, as well as the Pixel Watch family, including the latest models. Additionally, Synchronization between devices has been fine-tuned so that data arrives in the app almost instantly., with more contextual trends, reminders, and analysis.

Google claims to have relied on experts in medicine, AI, and behavioral sciences during development. It also highlights the collaboration with Stephen Curry and his high-performance team as advisors to refine the sporting approach of the experience.

Google and Fitbit are preparing a more coherent ecosystem, with an AI coach that understands your data, an app that shows what's relevant without losing clarity and an integration into Wear OS which makes it easy to act from the wrist when it's time.

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