Deucely Privacy Policy

Effective date: June 19, 2026

Deucely (operated by Seonyong Kim; the "Company") respects your privacy and complies with applicable data protection laws, including the Republic of Korea's Personal Information Protection Act (PIPA). This policy applies to the mobile application Deucely (the "Service").

1. Information We Collect

CategoryItems
Account & AuthenticationEmail, social login identifier (unique ID from Google/Apple), email/name from the social account, and—if you register with email—your password (stored hashed/one-way encrypted)
ProfileNickname, gender, NTRP (tennis skill rating), activity region, profile photo (optional)
Service UsageMatches created/joined, match scores, friend records, club activity, attendance history
BoardPost and comment content you write, and attached images (global and club boards)
LocationThe location (coordinates/address) you select when creating a match, used only on the match-creation screen with your consent
NotificationsPush notification token (FCM), device OS type
Automatically CollectedUsage records, access logs, device information (for diagnostics and security)

How we collect it: directly from you during sign-up and use of the Service, or from social login providers (Google/Apple) with your consent.

2. How We Use Your Information

3. Retention Period

We delete personal data without delay once the purpose of collection has been achieved, except:

4. Disclosure to Third Parties

We do not provide your personal data to third parties beyond the purposes stated in this policy, except where required by law or pursuant to a lawful request by an investigative authority.

5. Processing Entrustment & Overseas Transfer

We entrust certain processing to the providers below; some providers' servers may be located overseas.

ProviderEntrusted WorkLocation / Note
Amazon Web Services (AWS)Servers, database, image storage (cloud infrastructure)Republic of Korea (Seoul region)
Google LLC (Firebase)Push notification delivery (FCM)Overseas (e.g., USA)
Google LLCGoogle social login authenticationOverseas (e.g., USA)
Apple Inc.Apple social login authentication (when offered)Overseas (e.g., USA)

Only the minimum identifiers/tokens needed for authentication and notifications are transferred, and we take measures to ensure such data is handled securely.

6. Your Rights

You may at any time access, correct, delete, or restrict processing of your personal data. You can edit your data directly on the profile screen, request deletion by withdrawing your account, or contact us using the details below.

7. Destruction of Personal Data

When the retention period expires or the purpose is achieved, we destroy the data without delay. Electronic files are permanently deleted in an unrecoverable manner; paper documents are shredded or incinerated.

8. Security Measures

9. Children Under 14

The Service is intended for users aged 14 and older. We do not knowingly collect personal data from children under 14, and will delete any such data without delay if discovered.

10. Privacy Officer & Contact

ItemDetail
Privacy OfficerSeonyong Kim
Emaildeucely.ops@gmail.com

11. Remedies for Rights Infringement

For consultation or reporting regarding privacy infringement, you may contact (in the Republic of Korea):

12. Changes to This Policy

This policy may be amended due to changes in law or the Service. We will give prior notice of any changes via an in-app notice or this page.