Privacy Policy

1. Introduction

Welcome to DeltaN1. DeltaN1 helps you compare your choices, signals, and outcomes over time so you can see what may be worth checking and discuss it with Coach Delta.

This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and services. By using the Service, you agree to the collection and use of information in accordance with this policy.

2. Information We Collect

Health and Fitness Data

• Wearable Device Data: Sleep metrics, physical activity, heart rate, HRV, body measurements, and nutrition data synced from Whoop, Polar H10, manual capture, and other supported sources shown at connection time.
• Manual Health Logs: Daily ratings, subjective notes, context entries, food logs
• Biomarker Data: Lab results and health documents you choose to upload

Other Data

• User Profile: Health goals, preferences, age, gender
• Conversations: Chat interactions with the coach
• Location: Approximate location for context-aware recommendations
• Technical Data: Device info, app usage analytics, error logs
• Account Data: Email address, authentication credentials

3. How We Use Your Information

• Personal Comparisons: Compare your choices, health signals, and outcomes over time
• Personal Experiments: Help you plan and follow changes you want to check
• Possible Patterns: Show trends and relationships that may be worth tracking
• Coaching: Respond using the history and priorities you have shared
• Service Improvement: Analyze aggregated, de-identified information to improve DeltaN1

4. Data Storage and Security

• Your information is encrypted while it is stored and while it is being sent
• You must sign in before accessing your account
• Access to your information is limited to what is needed to provide and support the service
• We monitor access and security events
• Your health information is kept separate from other users' information

5. Data Sharing

We may share limited data with:

• Coaching Support: Companies that help answer coaching conversations, under agreements that limit how the information may be used
• Service Providers: Companies that provide hosting, analytics, and payment processing
• Legal Requirements: When required by law or to protect rights and safety

6. Your Rights and Choices

• Access: View all your health data within the app
• Export: Download your data in JSON/CSV formats
• Correction: Modify your profile and health data
• Deletion: Delete specific data or your entire account
• Data Control: Choose which data types to share, revoke access anytime
• Communication Preferences: Control notifications and marketing emails

7. California Privacy Rights (CCPA)

California residents have additional rights including:

• Right to know what personal information we collect
• Right to delete personal information
• Right to opt-out of sale (we do not sell data)
• Right to non-discrimination

To exercise CCPA rights, email privacy@deltan1.com

8. Data Retention

• Health data retained while your account is active
• Conversation history retained for 6 months rolling
• Account deletion: All data permanently deleted within 30 days
• Backups purged within 90 days

9. Contact Us

For questions about this Privacy Policy or our privacy practices:

Email: privacy@deltan1.com

We aim to respond to all privacy inquiries within 5 business days.