Privacy Policy

1. Information We Do NOT Collect

NeuroSleep is designed to protect your privacy completely:

• No personal information: We do not collect names, email addresses, or any identifying information
• No usage tracking: We do not track how you use the application
• No audio recording: Your audio sessions are never recorded or transmitted
• No cookies: We do not use tracking cookies or analytics cookies
• No location data: We do not access or store location information
• No device information: We do not collect device identifiers or system information

2. How the Application Works

NeuroSleep operates entirely within your browser:

• Local processing: All audio generation happens on your device
• No external servers: Audio settings and preferences are stored locally only
• Offline capability: The app works without internet connection after initial load
• No data transmission: No information is sent to external servers during use

3. Browser Storage

The only data stored is essential for app functionality:

• Application cache: For offline functionality (can be cleared anytime)
• User preferences: Audio mode and timer settings (stored locally only)
• Service worker: For Progressive Web App features (standard browser technology)

How to Clear Stored Data

You can clear all stored data at any time through your browser settings:

• Chrome/Edge: Settings → Privacy and security → Clear browsing data
• Firefox: Settings → Privacy & Security → Clear Data
• Safari: Settings → Privacy → Manage Website Data

4. GDPR Compliance

As a privacy-first application, NeuroSleep complies with GDPR requirements:

Legal Basis

No legal basis is required as we process no personal data.

Your Rights

• Right to be informed: This privacy policy provides full transparency
• Right of access: No personal data exists to access
• Right to rectification: No personal data exists to correct
• Right to erasure: Clear browser data to remove all traces
• Right to data portability: No personal data exists to export
• Right to object: No processing to object to

5. Third-Party Services

NeuroSleep uses minimal third-party resources:

• Google Fonts: For typography (loaded once, cached locally)
• No analytics: No Google Analytics, tracking pixels, or similar services
• No advertisements: No ad networks or tracking technologies
• No social media integration: No social media tracking or sharing buttons

6. Security

Your privacy is protected through technical design:

• Client-side only: All processing happens in your browser
• No data transmission: No sensitive information leaves your device
• Open source: Full code transparency for security review
• Regular updates: Security patches applied promptly

7. Children's Privacy

NeuroSleep is safe for all ages as it collects no personal information from anyone, including children under 13.

8. International Users

Since no data is collected or transmitted, there are no international data transfer concerns. The application works identically regardless of your location.

9. Changes to This Policy

Any changes to this privacy policy will be posted on this page. Given our privacy-first design, changes would only occur to clarify our practices or comply with legal requirements.

10. Contact Information

For questions about this privacy policy or NeuroSleep's privacy practices, please create an issue on our GitHub repository or contact us through the open source project channels.

11. Open Source Transparency

NeuroSleep is fully open source, providing complete transparency:

• Source code: Available for public review and audit
• No hidden functionality: All features are visible in the code
• Community verification: Privacy practices can be independently verified
• MIT License: Free to use, modify, and distribute