
Nucleus: AI Health Assistant
Sync Health. Plan Your Day.
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Free
About
Unlock the hidden code of your body with Nucleus—your ultimate AI-powered health and schedule co-pilot.
Stop guessing what your fatigue means. Nucleus seamlessly integrates with Apple Health to decode your physiological data (HRV, Sleep, Active Energy) and converse with you in real-time, helping you optimize your daily routine like a pro.
No subscriptions. No paywalls. 100% Unlimited Access.
Powered by the state-of-the-art DeepSeek V3 model, Nucleus is entirely free to use.
CORE FEATURES:
• AI-Driven Smart Scheduling: Just chat with Nucleus. Tell it you are tired, say "Yes" to a proposed recovery plan, and watch it instantly generate an actionable schedule card for your day.
• Deep Health Decoding: Understand what your Resting Heart Rate or sleep quality actually means. Nucleus finds the hidden correlations between your metrics and your energy levels.
• Seamless Apple Health Sync: Securely connects with HealthKit to provide personalized, context-aware insights without any manual logging.
PRIVACY BY DESIGN:
Your data is yours. Nucleus operates on a highly secure, cloud-native architecture.
• Zero Training: Your personal health data and conversations are NEVER used to train our AI models.
• Ephemeral Processing: Health metrics are analyzed in real-time to provide insights and are never permanently stored on our servers.
MEDICAL DISCLAIMER:
Nucleus is designed for informational and fitness tracking purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician regarding any medical condition.
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What's New in Nucleus
2.0
March 6, 2026
Smoother AI Conversations: The chat interface now automatically tracks your conversation flow, ensuring you never miss a beat when interacting with your AI co-pilot. Context-Aware Scheduling: Our AI is now smarter and less intrusive. It accurately understands when you are just chatting and when you actually need to schedule a session, offering calendar actions only when necessary. Performance & Stability Upgrades: We've rebuilt the backend infrastructure to provide faster, more reliable AI responses and session management.
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