Privacy Policy & Data Protection
Effective from: 2025/10/1
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1. Introduction

Kazoku is committed to protecting your privacy and personal data. This policy explains how we collect, use, store, and protect your information when using the Kazoku family management app.

๐Ÿ›ก๏ธ Our Commitment: Your family data is your most valuable asset. We apply the highest security measures to ensure your information is always safe and private.

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2. Information We Collect

Type of Information Details Purpose of Use
Personal Information Nickname, profile photo/avatar, date of birth Create and manage accounts
Family Information Member nickname, date of birth Organize and manage family
Activity Data Schedules, tasks, notes, expenses Provide management features
Device Information Device type, operating system, device ID Optimize performance

โš ๏ธ Note: We only collect necessary information to provide the service. You may refuse some types of data, but this may affect your experience.

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3. How We Use Information

Your data is used to:

Provide and maintain app features
Synchronize data across devices
Send notifications and reminders as requested
Improve performance and user experience
Provide technical support when requested
Analyze usage trends to develop new features

We DO NOT use data to:

Sell or rent personal information
Third-party advertising or marketing
Track activities outside the app
Share with partners without consent
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4. Data Security

We apply multiple layers of security to protect your data:

Data Encryption:
AES-256 encryption for stored data
TLS 1.3 encryption for data transmission
SHA-256 hashing for passwords
Access Control:
Multi-factor authentication (2FA)
Role-based access control
Session timeouts
Security Monitoring:
Detect abnormal activities
Regular data backups
Frequent security audits
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5. Information Sharing

We only share information in the following cases:

Within family: According to the privacy settings you configure
Service providers: Technical partners under confidentiality agreements
Cloud storage services (Google Cloud)
Analytics services (Firebase Analytics)
Push notification services (Firebase Cloud Messaging)
Legal requirements: When required by authorities

๐Ÿ”’ Assurance: All our partners must comply with high security standards and may only access data necessary to provide the service.

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6. Your Rights

You have full control over your personal data:

Access: View all data we store about you
Edit: Update or modify personal information
Delete data: Request deletion of part or all data
Export data: Download data in a readable format
Opt-out: Restrict certain data processing activities
Privacy settings: Control who can see your information

๐Ÿ“ฑ How to: Configure sharing settings in the app.

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7. Tracking Technologies

Kazoku uses the following technologies to improve experience:

Type Purpose Duration
Session Storage Maintain login session When app is closed
Local Storage Save personal settings Until deleted
Analytics Usage statistics 36 months
Crash Reports Improve stability 90 days
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8. Data Storage and Deletion

Retention period:
Activity Data: During your use of the app
Account data: Until you request deletion
System logs: 12 months
Automatic deletion:
Inactive accounts after 2 years
Temporary data after 30 days
Old backup files after 90 days

๐Ÿ—‘๏ธ Account deletion: When you delete your account, we will delete all personal data within 30 days, except for information required for legal purposes.

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9. Child Protection

Kazoku pays special attention to protecting children's information:

Do not collect personal information from children under 13 without parental consent
Features for children are designed with higher security levels
Parents have full control over their children's data
Do not display ads or content inappropriate for children

๐Ÿ‘จโ€๐Ÿ‘ฉโ€๐Ÿ‘งโ€๐Ÿ‘ฆ For Parents: Family supervisors can review and edit the information provided by children.

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10. Policy Updates

We may update this policy to:

Comply with new legal regulations
Reflect changes in services
Improve data protection

All important changes will be notified via:

In-app notification
Email to the registered address
Push notifications (if enabled)

The updated version will take effect 30 days after notification.