Moon Diary Privacy Policy

1. Overview

Moon Diary (LunaFlow, "App", "we") is a period tracking app provided by DyCodeWorks. We prioritize user privacy above all else. This Privacy Policy explains what information Moon Diary collects, how it's used, and how it's protected.

2. Information We Collect

2.1 Information You Provide

• Period cycle data: Start date, end date, cycle length
• Symptom records: Cramps, headaches, bloating, etc.
• Mood records: Happy, sad, irritable, etc.
• Intercourse records: Date and contraception use
• Notes: Personal notes you enter

2.2 Automatically Collected Information

• Device information: App version, Android version (for app stability)
• Usage statistics: App launches, feature usage (for app improvement)

2.3 Information We Do NOT Collect

3. How We Use Information

Collected information is used only for:

• Period tracking and prediction: Calculate next period dates
• Fertile window calculation: Predict ovulation and fertile days
• Health insights: Analyze cycle patterns and provide health information
• Partner sharing: Share data only when you choose to
• App improvement: Improve services through anonymized usage statistics

4. Data Storage and Security

4.1 Local Storage

4.2 Encryption

• All sensitive data is protected with AES-256 encryption
• Database is stored encrypted
• Backup files are also encrypted

4.3 Backup

• Backups created only when you choose
• Backup files stored on your device or chosen location
• Backup files are encrypted

5. Information Sharing

5.1 Third-Party Sharing Policy

5.2 Partner Sharing Feature

Data is shared only when you explicitly choose:

• Shared data: Last 3 months period records (start/end dates), next period prediction, fertile window information
• NOT shared: Symptoms, moods, notes, detailed intercourse records

5.3 Legal Requirements

Information may be disclosed only when:

• Required by court order or legal process
• Necessary to protect life or safety
• Requested by law enforcement for criminal investigation

6. Your Rights

6.1 Access and Modification

View and modify your data anytime in the app.

6.2 Data Deletion

• Delete all data via "Settings → Delete Data"
• Selectively delete individual records
• All data completely removed when you uninstall the app

View Data Deletion Guide →

6.3 Data Export

• Export data via "Backup & Restore" menu
• Download all data in JSON format
• Transfer data to other apps

6.4 Withdraw Consent

• Disable features like partner sharing anytime
• Manage permissions for each feature in settings

7. Children's Privacy

Moon Diary is not intended for children under 14 and does not knowingly collect personal information from children under 14. If we discover a child under 14 has provided personal information, we will immediately delete it.

8. International Users

Moon Diary complies with South Korean Personal Information Protection Act. For EU users, we comply with GDPR (General Data Protection Regulation).

9. Changes to Privacy Policy

This Privacy Policy may be updated due to legal requirements or service changes.

• Notification via in-app notice or push notification
• Important changes notified at least 7 days in advance
• Updated policy takes effect after notification

10. Contact

For questions, comments, or complaints about privacy:

11. Data Protection Summary