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Privacy Policy

Last updated: May 2025  ·  Effective immediately

TL;DR: FitAssist stores all your data locally in your browser using localStorage. Nothing is sent to any server. Your health data never leaves your device. We do not track, sell, or share any personal information.

1. Data Storage

FitAssist is a client-side web application. All data — including your profile, health metrics, meal logs, workout records, and assessment results — is stored exclusively in your browser's localStorage and sessionStorage.

This means:

2. API Keys

If you use the AI features (AI Coach, AI Diet Plan, AI Exercise Schedule), you provide your own Claude API key from Anthropic. This key is stored only in sessionStorage — it is cleared when you close your browser tab and is never transmitted to FitAssist servers.

Your API key is sent directly from your browser to Anthropic's API (api.anthropic.com). FitAssist never sees or logs your API key.

3. What We Do Not Collect

4. Third-Party Services

FitAssist uses the following third-party services solely for display purposes:

These services have their own privacy policies. We recommend reviewing them independently.

5. Deleting Your Data

To permanently delete all your FitAssist data:

6. Health Disclaimer

FitAssist is not a medical device and does not provide medical advice. All calculators, AI-generated plans, and health reports are for informational purposes only. Always consult a qualified healthcare professional — doctor, dietitian, or nutritionist — before making any health decisions.

7. Contact

For privacy questions or concerns, contact us via our Contact page. We will respond within 48 hours.