Privacy Policy for Basic Nihon
Last Updated: September 08, 2026
Welcome to Basic Nihon, a Japanese language learning application developed by Prabin / Khakehashi Education. Your privacy is critically important to us. This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application.
1. Information We Collect
We collect limited information to provide and improve our services:
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Account Information: When you sign in using Google, we receive your name, email address, and profile picture.
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Learning Progress: We track your XP (Experience Points), level, daily streaks, lesson completion, and quiz scores.
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Usage Data: We may collect anonymous data about how you interact with the app to fix bugs and improve performance.
2. How We Use Your Information
Your data is used to:
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Create and manage your user account.
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Sync your learning progress across different devices.
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Personalize your Japanese learning journey.
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Provide real-time feedback in AI Kaiwa (Conversation) sessions.
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Manage leaderboard rankings and achievements.
3. Third-Party Services
Our app integrates trusted third-party services from Google:
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Firebase: For authentication, secure database storage (Firestore), and cloud functions.
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Google AI (Gemini): To power the AI Kaiwa feature for real-time speaking practice.
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ML Kit: For handwriting recognition during character tracing exercises.
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Google Sign-In: To provide a secure and easy login experience.
These services have their own privacy policies which you can review on the Google Privacy & Terms site.
4. Data Security & Storage
We prioritize your data security. All information is stored securely on Google’s Firebase infrastructure, which uses industry-standard encryption and security protocols to prevent unauthorized access.
5. Data Retention & Deletion
We keep your data as long as your account is active. If you wish to delete your account and all associated data, you can:
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Contact us at: basicnihon@gmail.com
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Send a request via WhatsApp support in the app's menu.
6. Children's Privacy
Basic Nihon is intended for users of all ages interested in learning Japanese. We do not knowingly collect personal information from children without appropriate context for educational progress.
7. Changes to This Policy
We may update our Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page or through app notifications.
8. Contact Us
If you have any questions or suggestions about our Privacy Policy, do not hesitate to contact us:
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Email: basicnihon@gmail.com
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WhatsApp Support: Available in the "Menu & Support" section of the app.