b2fit

AI-first Fitness & Fasting Coach for Android. Private. Local. Free.

Become a Tester

Get early access to the latest Android features and help us improve b2fit.

To join the internal testing track, please email me:

Email to Join Testing

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Send an email to [email protected]

Why b2fit?

🤖 AI-First Coaching

Just talk to your assistant to log meals, workouts, or get advice. No complex menus, just natural conversation.

🔒 Private & Local

Your data stays on your device. No cloud servers, no tracking, complete privacy with BYOK (Bring Your Own Key) for AI.

📸 Photo Analysis

Snap a picture of your food and let the AI estimate calories and macros instantly.

💸 Completely Free

No subscriptions, no paywalls. Just a powerful tool to help you reach your goals.

📊 Comprehensive Tracking

Track calories, macros, fasting, water, habits, mood, and weight all in one place.

🎨 Customizable

Personalize your dashboard with widgets, themes, and choose your AI coach's personality.

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