Privacy Policy

1. Introduction

Kreev Informatics Inc. ("Kreev", "we", "our", or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and protect your information when you use the Kreev iOS application and the Kreev website at kreev.app.

By using Kreev, you agree to the collection and use of information as described in this policy. If you do not agree, please do not use the Service.

2. Information We Collect

2.1 Health and Biometric Data

With your explicit permission, Kreev reads the following data from Apple HealthKit on your device:

• Resting heart rate and heart rate variability (HRV)
• Sleep duration and sleep stages
• Step count and activity data
• Respiratory rate
• VO2 Max

This data is used solely to compute your Recovery Score and generate AI narratives. It is never sold, shared with advertisers, or used for purposes other than providing the Service.

2.2 Account Data

We collect the email address you use to create your Kreev account. We do not collect your name, address, date of birth, or other identifying information unless you voluntarily provide it.

2.3 Usage Data

We collect anonymized usage data to improve the Service, including app feature usage and crash reports. This data does not include your health metrics or identifiable information.

3. How We Use Your Data

We use the information we collect to:

• Compute your daily Recovery Score using Z-score statistics against your personal baseline
• Generate AI-powered wellness narratives via Google Gemini
• Send Guardian Alerts when your recovery falls below your configured threshold
• Provide trend analysis, history, and metric drill-downs
• Manage your subscription via RevenueCat
• Respond to your support requests
• Improve and maintain the Service

4. Data Sharing

We share your data only with the following service providers, and only as necessary to operate the Service:

We do not sell your data. We do not share your data with advertisers, data brokers, or any third party not listed above.

5. Data Retention

We retain your health data and account information for as long as your account is active. You may delete your account and all associated data at any time through the Purge Vault feature (Settings → Delete Account → Purge Vault). Deletion is completed within 30 days.

6. Your Rights

Depending on your jurisdiction, you may have the following rights:

• Access: Request a copy of the data we hold about you
• Correction: Request correction of inaccurate data
• Deletion: Request deletion of your data (Purge Vault)
• Portability: Request your data in a portable format
• Opt-out of automated scoring: Request that we not process your health data for automated scoring
• Algorithm explanation: Request an explanation of how your Recovery Score was calculated on any given day

To exercise any of these rights, contact us at privacy@kreev.app.

7. Security

We implement appropriate technical and organizational measures to protect your data against unauthorized access, alteration, disclosure, or destruction. Health data is encrypted in transit and at rest. We conduct regular security reviews.

8. Children's Privacy

The Kreev app is intended for adults aged 18 and older. We do not knowingly collect data from persons under 18. If you believe we have inadvertently collected data from a minor, contact us at privacy@kreev.app and we will promptly delete it.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of material changes by updating the "Last Updated" date at the top of this document and, where appropriate, sending an in-app notification. Your continued use of the Service after changes constitutes your acceptance of the revised policy.

10. Contact Us

For privacy questions, data requests, or to exercise your rights:

• Email: privacy@kreev.app
• Mailing address: Kreev Informatics Inc., Calgary, Alberta, Canada