Privacy Policy

1. Introduction

This Privacy Policy describes how we handle personal information in connection with the "GolScore" service (hereinafter "the Service").

2. Personal Information We Collect

The Service collects the following personal information:

3. Purpose of Use

1. Providing, operating, and improving the Service
2. Managing and authenticating user accounts
3. Processing payments for paid plans
4. Responding to inquiries
5. Ensuring service stability (error monitoring)
6. Creating anonymized statistical data (such as calculating benchmark metrics, using aggregated data that cannot identify individuals)

4. Third-Party Sharing

We share personal information with the following services to the extent necessary for service delivery. We do not share information with other third parties except as required by law.

• Stripe, Inc. — Payment processing (credit card information processing; card data is not stored on our servers)
• Supabase, Inc. — Database and authentication infrastructure (user data storage and authentication)
• Sentry (Functional Software, Inc.) — Error monitoring (application error detection and improvement)

Of the above, Stripe, Supabase, and Sentry are all companies located outside Japan (in the United States). We handle personal information under data-handling agreements with these providers and with appropriate security measures such as encrypted communication and access controls. Details of each destination country's personal-information protection framework and the safeguards we have in place are available upon request via the contact listed in the "Contact" section of this policy.

5. Data Storage and Protection

User data is transmitted via encrypted communication (HTTPS) and stored on Supabase's secure infrastructure. Golf score data is also stored locally in the browser's IndexedDB.

6. User Rights

Users have the right to request disclosure, correction, or deletion of their personal information. Deleting your account will remove data stored on our servers. For other requests, please contact us at the address below.

7. Cookies and Local Storage

The Service uses cookies for maintaining authentication and the browser's IndexedDB for storing score data. These are technical measures necessary for service delivery and are not used for tracking purposes.

8. Contact

For inquiries regarding the handling of personal information, please contact us at: Email: support@golsco.app

9. Policy Changes

We may update this Policy as necessary. Significant changes will be notified through the Service. Updated content takes effect upon posting on this page.