菜根日课

1. Introduction

Welcome to Caigentan Daily (Bundle ID: com.zach.caigentan). We take your privacy seriously. This Privacy Policy explains how we collect, use, store, and protect your personal information. By using this app, you agree to the practices described in this policy.

2. Information We Collect

2.1 Information You Provide

• Email address (optional): for account registration and login
• Profile photo (optional): to personalize your profile
• Nickname (optional): for display within the app

2.2 Information from Third-Party Services

• Google Sign-In: If you sign in with Google, we receive basic profile information (name, email, profile photo)
• Apple Sign-In: If you sign in with Apple, we receive the user identifier provided by Apple. Apple may share your real or relay email address

2.3 Information Generated Through Use

• Favorites: passages you have bookmarked
• Check-in records: your daily reading check-in data
• Comments: comments you post on passages
• Likes: your like/dislike actions on passages

2.4 Information We Do NOT Collect

• We do not use any advertising services or ad tracking
• We do not use any third-party analytics or tracking tools
• We do not track your location
• We do not collect device identifiers for tracking purposes

3. How We Use Your Information

We use the collected information solely for the following purposes:

• Providing account registration and authentication
• Saving your preferences and usage records (favorites, check-ins, etc.)
• Displaying your profile (avatar, nickname)
• Delivering core app features (reading, favorites, comments, check-ins)

4. Third-Party Services

This app uses the following third-party services:

• Google Sign-In: for authentication. See Google Privacy Policy
• Apple Sign-In: for authentication. See Apple Privacy Policy
• Azure Text-to-Speech (Microsoft): for generating audio narration of classical text. Text is sent to Microsoft Azure for speech synthesis but is not linked to your personal account. See Microsoft Privacy Statement

We do not share your personal information with any third parties beyond the services listed above.

5. Data Storage and Security

• Your data is stored on our secure servers
• All data transmission is encrypted via HTTPS
• Passwords are stored using cryptographic hashing; we cannot view your original password
• We implement reasonable technical measures to protect your data

6. Data Retention and Deletion

• You can update your profile information (nickname, avatar) at any time within the app
• You can remove favorites or delete comments at any time
• If you wish to delete your account and all associated data entirely, please contact us using the information below. We will process your request within 30 days

7. Children's Privacy

This app is not directed at children under 13. We do not knowingly collect personal information from children under 13. If you believe your child has provided us with personal information without your consent, please contact us and we will promptly delete the data.

8. Changes to This Policy

We may update this Privacy Policy from time to time. Updated versions will be posted on this page with a revised effective date. We encourage you to review this page periodically for the latest privacy practices.

9. Contact Us

If you have any questions or suggestions regarding this Privacy Policy, please contact us: