Privacy Policy

Introduction

At duoshuo, we take your privacy seriously. This Privacy Policy explains how we collect, use, and protect your personal information.

Information We Collect

Account Information

• Email address
• Username
• Password (encrypted)

Usage Data

• Conversation transcripts
• Grammar corrections and learning progress
• Usage statistics and session data

Technical Data

• Browser type and version
• IP address
• Device information

How We Use Your Information

We use your data to:

• Provide and improve our language learning services
• Track your progress and provide personalized learning insights
• Respond to your support requests
• Send important updates about the service
• Ensure security and prevent fraud

Data Security

We implement industry-standard security measures to protect your data:

• Encrypted passwords using bcrypt
• Secure HTTPS connections
• Regular security audits
• Limited employee access to personal data

Data Sharing

We do NOT sell your personal data. We may share data only with:

• Service providers who help us operate (e.g., hosting, AI APIs)
• Law enforcement when required by law

Your Rights

You have the right to:

• Access your personal data
• Request deletion of your account and data
• Export your conversation history
• Opt-out of marketing communications

Cookies

We use cookies to maintain your session and improve user experience. See our Cookie Policy for details.

Contact Us

For privacy-related questions, contact us at: privacy@duoshuo.app