BuoyUchi Privacy Policy

Effective Date: September 14, 2025

This Privacy Policy governs the collection and use of information by the operator of BuoyUchi ("Operator") relating to your use of the BuoyUchi mobile application ("Service").

1. Information Collection and Use

1.1 Location Information

When you grant permission, the Service may access your device's location information solely to display your current position on the map and calculate distances to your saved pins. Location data is processed locally on your device and is not transmitted to external servers.

1.2 Pin Data

The Service stores location pins you create (coordinates, shapes, colors, and timestamps) locally on your device. This data is not transmitted to external servers or shared with third parties.

1.3 Crash Analytics

The Service uses Firebase Crashlytics to collect anonymous error reports and technical data to improve application stability. This data is anonymized and does not identify individual users.

2. Information We Do Not Collect

The Operator does not collect:

3. Data Storage and Security

All user data is stored locally on your device. The Operator implements appropriate security measures within the Service, but cannot guarantee complete security of data stored on your device.

4. Children's Privacy

The Service does not knowingly collect personal information from children under 13 years of age. The Service does not require user registration or personal information input.

5. Changes to This Policy

The Operator may update this Policy by publishing a new version with an updated "Effective Date." Your continued use of the Service after such changes will be deemed as acceptance of the updated Policy.

6. Contact Information

If you have any questions about this Policy, please contact the Operator at:

National Institute of Technology (KOSEN), Yuge College
atsuki.seo
st_seo@yuge.kosen-ac.jp

7. Legal Compliance

This Policy complies with applicable privacy laws and App Store guidelines. The Service prioritizes user privacy by minimizing data collection and processing data locally on your device.

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