Hansorri 한소리
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Privacy Policy

How we collect, use, store, and protect information generated while you use Hansorri.

Privacy Policy Terms of Service

Hansorri Privacy Policy

Last updated: June 5, 2026
Effective date: June 5, 2026

Hansorri (한소리, "we", "us", or "our") understands that your privacy is important. This Privacy Policy explains how we collect, use, store, and protect personal information when you use the Hansorri applications, including the Windows and macOS desktop clients and the iOS client.

1. Information We Collect

1.1 Information you provide

  • Account information: username, email address, and password provided during registration. Passwords are stored in encrypted form.
  • Course information (optional): course names, schedules, and terminology that you add manually or import from timetable images. When you import from a timetable image, the image is uploaded to our servers for parsing to extract course information. The parsed course data is stored on your device by default. Timetable images are used only to complete parsing and are not retained long-term by default.
  • Classroom audio: when recording is enabled, microphone audio from the classroom is transmitted to our servers in real time for speech recognition and translation processing. Audio is used for real-time recognition and is not retained long-term by default.
  • Classroom content: classroom transcripts, translation results, and after-class notes are processed by our servers in real time or on request to generate session records, translations, and study materials. Session records are stored on your device by default.

1.2 Information collected automatically

  • Device identifiers: to support device binding, we generate an anonymous hash based on hardware information. It does not include IDFA, Apple ID, phone number, or other directly identifying information.
  • Service usage: used for service usage statistics, account status maintenance, and necessary troubleshooting.
  • App version: used for version checks and compatibility maintenance.

1.3 iOS Required Reason API notice

The iOS app uses UserDefaults for app preferences and file timestamp APIs to manage local session archives. We do not use Apple-defined tracking categories and do not integrate IDFA, SKAdNetwork, or similar tracking SDKs.

2. How We Use Information

We use collected information only to provide and maintain the core translation service, process classroom audio, transcripts, translation results, course context, and after-class notes, verify identity, manage device authorization, measure service usage, send necessary service notices, and improve service quality.

3. Sharing and Disclosure

We do not sell, rent, or share your personal information for commercial purposes. To provide core features, classroom audio streams, transcripts, translation results, course context, after-class notes, or timetable images may be transmitted to trusted third-party service providers for real-time processing. This data is not used for advertising or tracking.

4. Data Storage and Cross-Border Transfers

Our servers are hosted in Singapore data centers. Account data, device identifiers, and usage data are processed in Singapore. All cross-border transfers use HTTPS (TLS) encryption. Course data, session records, transcripts, translation results, and after-class notes are stored on your device by default. Classroom audio and timetable images are used only for real-time recognition, translation, or parsing and are not retained long-term on our servers by default. To complete processing, troubleshoot issues, support security review, and measure service usage, we may retain necessary server processing records and logs, usually for no more than 90 days unless a longer period is required by law.

5. Data Retention and Your Rights

Account information is retained while your account remains active. Usage logs and necessary server processing records are usually retained for no more than 90 days. You may contact us to access, correct, delete, or export relevant data.

6. Account Deletion

You may delete your account and all related data at any time. You can do so by (a) using Settings → Delete Account in the app, or (b) emailing [email protected]. After deletion, your account will be deactivated, personal information will be removed or anonymized except where retention is required by law, and unused credits will expire and will not be refunded.

7. Minors

The app is designed for university students. We do not knowingly collect personal information from children under 16.

8. Contact Us

For privacy questions, contact [email protected].