Privacy Policy
Last Updated: January 8, 2026
1. Introduction
Watch Stats ("we", "our", "the App") is a web application that allows users to voluntarily share health and activity data collected from their Garmin devices with selected friends.
We are committed to protecting your privacy and ensuring transparency regarding how your personal and health data is collected, used, and shared.
2. Data We Collect
Depending on your usage and explicit consent, we may collect the following data via the Garmin Health API:
a. Personal Information
- Username or display name
- Email address (if applicable)
- Garmin user identifier
b. Health & Activity Data (Sensitive Data)
- Physical activity data (steps, distance, calories)
- Heart rate data
- Sleep and recovery data
- Training and performance metrics
c. Technical Data
- Basic usage statistics
- Log and security data (IP address, browser type)
3. Legal Basis for Processing (GDPR)
We process personal and health data under the following legal bases:
- Explicit user consent (Article 9(2)(a) GDPR) for health data
- Contractual necessity to provide core application features
- Legitimate interest for security and maintenance purposes
4. How We Use Your Data
- Display your health and activity data within the App
- Allow voluntary sharing of selected data with approved friends
- Improve application reliability and user experience
- Ensure security and prevent abuse
We do not use your data for advertising, profiling, or commercial resale.
5. Data Sharing
Your data is shared only under the following conditions:
- Health data is never public
- Data is shared only with users you explicitly approve
- You may revoke access for any friend at any time
- We do not sell or transfer personal or health data to third parties
Garmin data is accessed and processed in compliance with the Garmin Health API Terms of Service.
6. Data Storage & Retention
All data is stored securely using industry-standard technical and organizational measures. Health data is retained only while your account remains active.
Upon account deletion, all personal and health data is permanently erased within a reasonable timeframe.
7. User Rights
In accordance with GDPR, you have the right to:
- Access your personal data
- Correct inaccurate or incomplete data
- Request deletion of your data ("right to be forgotten")
- Export your data (data portability)
- Withdraw consent at any time
8. Cookies
Watch Stats uses only essential cookies required for authentication and core functionality. No advertising or tracking cookies are used.
9. Third-Party Services
Watch Stats integrates with the following third-party service:
- Garmin Health API
We do not control Garmin’s data handling practices. Please refer to Garmin’s privacy policy for additional information.
10. Children’s Privacy
Watch Stats is not intended for users under the age of 16.
11. Changes to This Policy
This Privacy Policy may be updated to reflect legal, technical, or functional changes. Updates will be published on this page.
12. Contact
For any privacy-related questions or data requests, please contact us at: