Privacy Policy

1. Introduction

Hanasengo ("we", "our", or "us") is committed to protecting your privacy while helping you learn Japanese. This Privacy Policy explains how we collect, use, and protect your information as you use our language learning platform.

2. Information We Collect

We collect and process the following types of information:

  • Learning progress data, including lesson completion and assessment results
  • Vocabulary and kanji study history
  • AI conversation practice logs
  • Custom study preferences and settings
  • Technical data such as device type and app usage statistics

User authentication and profile information is handled by our trusted partner Clerk.com. Please refer to Clerk's Privacy Policy for details about how they process your authentication data.

3. How We Use Your Information

We use your information to:

  • Personalize your learning experience and track progress
  • Provide AI-powered conversation practice and assessments
  • Optimize and improve our learning algorithms
  • Generate anonymous usage statistics to improve our service
  • Send important updates about your account or our service

4. Data Storage and Security

Your learning data is stored securely in our database. We implement industry-standard security measures to protect your information. Authentication data is handled separately by Clerk.com, our authentication service provider.

5. Your Rights and Choices

You have the right to:

  • Access your learning data and progress history
  • Request deletion of your account and associated data
  • Export your learning progress and study history
  • Opt-out of non-essential communications

6. Contact Us

If you have any questions about this Privacy Policy or how we handle your data, please contact us at hello@studiomosaique.com

Last updated: 2025-01-01