This Privacy Policy explains how the Guita app (the “Service”), a mobile application distributed through the App Store and Google Play Store, handles users’ personal information.

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1. Collection of Personal Information

The Service does not collect any personally identifiable information (PII) through user registration, login, input forms, or similar methods.

However, for the purpose of improving service stability and quality, non-identifiable information may be automatically collected through third-party services.

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2. Information Collected Automatically

The Service uses the following services provided by Google Firebase.

1) Firebase Analytics

• App usage data (such as screen views and app launches)
• Device information (such as operating system version and device model)

2) Firebase Crashlytics

• Crash logs generated when app errors occur
• Device and app status information at the time an error occurs

The information collected does not identify individual users and is used solely for error analysis and improving app stability.

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3. Purpose of Use of Information

The collected information is used only for the following purposes:

• Analyzing app errors and improving stability
• Improving app features and user experience

The Service does not use the collected information for marketing, advertising, or providing personalized services.

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4. Provision of Information to Third Parties

The Service does not provide users’ information to third parties, except as required by applicable laws and regulations.

Information collected through Firebase Analytics and Firebase Crashlytics is managed in accordance with Google’s Privacy Policy.

• Google Privacy Policy </aside>

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5. Retention and Use Period of Information

The Service does not collect or retain personally identifiable information.

Non-identifiable information collected via Firebase is processed in accordance with Google Firebase’s data retention policies.

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6. Users’ Rights

Since the Service does not collect personally identifiable information, it does not retain any personal data subject to requests for access, correction, or deletion.

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7. Measures for Protecting Personal Information

The Service complies with applicable data protection laws and maintains app stability and security by using trusted third-party services such as Firebase.

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8. Changes to the Privacy Policy

This Privacy Policy may be updated in accordance with changes in applicable laws or the Service. Any changes will be announced within the app or on the store page.

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9. Contact Information

If you have any questions regarding this Privacy Policy, please contact us at the email address below.

• Company Name: DevStory
• Email: devstory.co.kr@gmail.com </aside>

This Privacy Policy is effective as of January 1, 2026.