Effective Date: August 11, 2026

SudokuPulse (the "Service") values your privacy and complies with applicable data protection laws, including South Korea's Personal Information Protection Act (PIPA). This Privacy Policy explains what information we collect, how we use and store it, and what rights you have.

1. Information We Collect

The Service can be used without account registration. We may automatically collect the following:

• Device and usage information: device model, OS type and version, app version, language settings, access logs, usage records, crash/error logs
• Advertising identifiers: Google Advertising ID (GAID), IDFA, and similar identifiers collected through advertising SDKs

We do not collect sensitive personal information (such as national ID numbers) or payment/account information.

2. How Information Is Collected

Information is generated and collected automatically as you install and use the Service. We do not collect any information that you manually enter.

3. Purpose of Collection and Use

• To provide and operate the Service, and ensure app features function properly
• To analyze errors and improve the Service
• To provide personalized advertising and measure ad performance
• To prevent fraud and maintain service stability

4. Retention Period

Collected information is retained until the purpose of collection is fulfilled, after which it is deleted without delay. Where retention is required by applicable law, information is kept for the period required by that law.

5. Disclosure to Third Parties

The Service does not provide your information to third parties, except in the following cases:

• When you have given prior consent
• When required by law, or requested by an investigative agency in accordance with legally prescribed procedures