Privacy Policy

Last updated: April 2026

1. Information We Collect

danzi collects minimal personal information to provide our service. The only personal information we collect is your email address, which is required to create and maintain your account.

2. How We Use Your Information

We use your email address solely for the following purposes:

3. We Do Not Sell Your Data

We do not sell, trade, or transfer your personal information to any third parties. Your email address is never used for marketing purposes, sold to advertisers, or shared with external companies.

4. Data Security

We implement appropriate technical and organizational measures to protect your email address and account information from unauthorized access, alteration, disclosure, or destruction.

5. Your Vocabulary Data

The Chinese words, phrases, and definitions you add to your vocabulary are stored securely on our servers. This data belongs to you and is used only to provide the danzi service. We do not analyze, sell, or repurpose your vocabulary data for any other reason.

6. Cookies and Tracking

danzi uses minimal cookies or tracking mechanisms. We may use basic analytics to understand how the service is used and to improve our product, but this does not involve tracking your personal behavior or creating advertising profiles.

7. Data Retention

Your account data is retained as long as your account is active. You may request deletion of your account and all associated data at any time by contacting us.

8. Changes to This Policy

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

9. Contact

If you have any questions about this Privacy Policy or our privacy practices, please contact us at team@danzi.app.