Demumu Privacy Policy

1. Introduction

Demumu understands the importance of privacy security for people living alone. This Privacy Policy is intended to explain how we collect, use, store, and protect your information. Using Demumu indicates your agreement to the terms of this policy.

2. Information Collection

• Emergency contact information: You need to provide your emergency contact's name and email address
• Check-in records: The system records your check-in time and status, used only to determine whether to trigger a safety alert
• Device information: App version, operating system version, used to improve service quality and troubleshooting

3. Information Usage

Your information is used only for the following purposes: providing safety check-in and emergency alert services; improving app features and user experience; communicating important notices to you when necessary. We will not use your information for other commercial purposes.

4. Information Storage and Security

• Encrypted storage: Emergency contact information is stored using AES-256 encryption
• Local first: Data is prioritized to be stored locally on your device
• Access control: Strict permission management, only authorized personnel can access necessary data
• Regular audits: Regular security audits to ensure data protection measures are effective

5. Information Sharing

Except as described below, we will not share your information with third parties: only when an emergency alert is triggered, sending necessary alert information to your designated emergency contact; complying with laws or government requirements; protecting our legitimate rights and interests.

6. Information We Don't Collect

• We don't collect personal identity information (such as ID number, passport number)
• We don't collect location data (GPS location, base station information)
• We don't collect contacts, photos, files, or other personal data
• We don't require phone numbers or third-party account login
• We don't collect device unique identifiers (IMEI, IDFA, etc.) for cross-app tracking

7. Cookies and Tracking Technologies

Demumu does not use Cookies or other tracking technologies to collect your behavioral data. We will not track your activity on third-party websites or apps.

8. Data Retention and Deletion

• Check-in records are retained for the most recent 90 days and automatically deleted after expiration
• After uninstalling the app, you can choose to clear all locally stored data
• You can delete emergency contact information through the settings in the app
• Except where required by law

9. Minor Protection

Demumu is primarily designed for adult users living alone. If you are under 18 years old, please use this app under the supervision of a guardian. We will not intentionally collect personal information from minors.

10. Your Rights

• Access right: You can view emergency contact information stored in the app
• Correction right: You can modify emergency contact information at any time
• Deletion right: You can delete all data stored in the app
• Right to know: You can review this Privacy Policy at any time

11. Policy Changes

We may update this Privacy Policy from time to time. When making significant changes, we will notify you in the app. Continued use of Demumu indicates your acceptance of the updated policy.

12. Contact Us

If you have any questions, comments, or requests regarding this Privacy Policy, please contact us through the contact information provided on the official website. We will respond to you within a reasonable time.