Privacy Policy

Last updated: December 6, 2025

Introduction

This privacy policy explains how LazyNote ("the App") handles user personal information. Please read this policy carefully before using the App.

1. Information We Collect

1.1 Account Information

We collect the following information when you create an account:

• Email address：Used for account identification and authentication
• Phone number：Used for multi-factor authentication (MFA)

1.2 User Content

The App stores the following user-created content:

• Memos, notes
• Topics
• Comments
• Images

Important：This user content is end-to-end encrypted using a key derived from your password. No third party, including the operator, can view the content.

1.3 Automatically Collected Information

The App may automatically collect the following information for service improvement:

• Usage data：Anonymous usage information (screen transitions, feature usage frequency, etc.) collected through Firebase Analytics
• Crash reports：Technical information when the app crashes (error logs, device information, OS version, etc.) collected through Firebase Crashlytics
• Device information：Device type, operating system, unique device identifiers

2. Purpose of Information Use

Collected information is used for the following purposes:

• Account creation, management, and identity verification
• Saving and syncing user content
• App feature improvement and bug fixes
• Usage analysis and service quality improvement
• User support provision
• Fraud prevention

3. Information Sharing

We do not sell, rent, or share your personal information with third parties, except in the following cases:

• Service Providers：The App uses Google Firebase (Google LLC) services. For Firebase's privacy policy, please refer toGoogle Privacy Policy
• Legal Requirements：When necessary to comply with laws, regulations, legal procedures, or government requests
• Rights Protection：When necessary to protect our, users', or others' rights, property, or safety

4. Data Security

The App implements the following security measures to protect your information:

• End-to-End Encryption：User content is encrypted with a key derived from your password and stored encrypted on the server
• Secure Communication：All data communication is encrypted with SSL/TLS
• Access Control：Only you, authenticated, can access your data

5. Data Storage

• User content is stored on Google Firebase servers
• When you delete your account, all related data will be deleted
• Local device stores memo data backups and cache

6. Your Rights

You have the following rights:

• Right of Access：Right to access your stored data
• Right of Rectification：Right to correct inaccurate information
• Right of Deletion：Right to delete your account and request deletion of all related data
• Data Portability：Right to export your data

To exercise these rights, please use the settings in the app or contact us at the address below.

7. Children's Privacy

The App is not intended for children under 13 years of age. We do not intentionally collect personal information from children under 13. If we discover that information from children under 13 has been collected, we will delete it promptly.

8. Privacy Policy Changes

This privacy policy may be updated as needed. We will notify you of significant changes through in-app notifications or email. By continuing to use the App after changes, you agree to the updated privacy policy.

9. Cookies and Tracking Technologies

The App (especially the web version) may use cookies and similar technologies for the following purposes:

• Maintaining authentication status
• Saving user settings
• Usage analysis

10. Third-Party Services

The App uses the following third-party services: