Privacy Policy

Last updated: January 1, 2025

ZeRo takes your privacy seriously. This Privacy Policy explains how we collect, use, store, and protect your personal information.

1. Information Collection

• Account info: Basic info from your Apple ID
• Learning data: Knowledge trees, study plans, usage time you create
• Device info: Device type, OS version
• Usage logs: App usage, feature preferences

2. Information Use

• Provide and maintain services
• Personalize your learning experience
• Improve our products and services
• Send service-related notifications

3. Information Storage

• Your learning data is securely stored in your iCloud
• We cannot access your iCloud data
• Data is stored with encryption
• You can delete your data anytime

4. Information Sharing

• We do not sell your personal information
• Information is only disclosed when required by law
• Service providers must follow confidentiality obligations

5. Your Rights

• Access your personal information
• Correct inaccurate information
• Delete your account and data
• Withdraw consent

6. Children's Privacy

• We do not actively collect information from minors
• If unauthorized collection is found, we will delete it immediately

7. Policy Updates

• We may update this policy
• Major changes will be notified in advance
• Continuing to use services means accepting the new policy

8. Contact Us

• Email: privacy@zero-app.com
• We will respond to your questions as soon as possible