Privacy Policy

1. Introduction

NihongoMasterPath ("we", "our", or "us") operates the website at nihongo-master-path.com and the NihongoMasterPath mobile application (collectively, the "Service"). This Privacy Policy explains how we collect, use, and protect your information.

2. Information We Collect

Account Information

When you register, we collect your email address and password (hashed). If you sign in via Google, Apple, or Facebook, we receive your name, email, and profile picture from those providers.

Usage Data

We collect information about your learning progress, including completed units, bookmarks, and view history to personalize your experience.

Analytics

We use Google Analytics and Firebase Analytics to understand how users interact with our Service. This includes device type, browser, pages visited, and session duration. This data is aggregated and does not personally identify you.

3. How We Use Your Information

• Provide and maintain the Service
• Track your learning progress across devices
• Send password reset emails when requested
• Improve our content and user experience
• Communicate important service updates

4. Data Sharing

We do not sell your personal information. We may share data with:

• Service providers: hosting (Vercel), email (Resend), analytics (Google), authentication (Google, Apple, Facebook) — only as necessary to operate the Service
• Legal requirements: if required by law or to protect our rights

5. Data Storage & Security

Your data is stored on secure servers. Passwords are hashed using bcrypt. We use HTTPS for all data transmission. While we take reasonable measures to protect your data, no method of electronic storage is 100% secure.

6. Cookies

We use essential cookies for authentication (session management) and optional cookies for analytics. You can disable non-essential cookies in your browser settings.

7. Your Rights

You have the right to:

• Access the personal data we hold about you
• Request correction of inaccurate data
• Request deletion of your account and associated data
• Export your learning progress data

To exercise these rights, contact us at the email below.

8. Children's Privacy

Our Service is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe we have collected such information, please contact us immediately.

9. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting the new policy on this page and updating the "Last updated" date.

10. Contact Us

If you have questions about this Privacy Policy, please contact us at: elcidwang@gmail.com