Privacy Policy

Last Updated: November 7, 2025

At Qihuiyu, we are committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how we collect, use, share, and protect your data when you use our chat application.

1. Information We Collect

1.1 Information You Provide

• Account Information: When you create an account, we collect your phone number, email address (optional), username, and profile information you choose to provide.
• Messages and Content: We process the messages, photos, videos, and files you send through our service. Messages are end-to-end encrypted.
• Contacts: With your permission, we may access your device contacts to help you connect with friends who use Qihuiyu.
• Profile Information: Display name, profile picture, status message, and other profile details you choose to share.

1.2 Automatically Collected Information

• Usage Data: Information about how you use the app, including features accessed, time spent, and interaction patterns.
• Device Information: Device type, operating system version, device identifiers, mobile network information.
• Log Data: IP address, access times, app crashes, and system activity.
• Location Data: We may collect approximate location data (with your permission) to provide location-based features.

2. How We Use Your Information

We use the collected information for the following purposes:

• Provide Services: To deliver, maintain, and improve our chat services and features.
• Communication: To facilitate message delivery between users.
• Security: To detect, prevent, and address fraud, abuse, security risks, and technical issues.
• Customer Support: To respond to your requests, questions, and feedback.
• Analytics: To understand how users interact with our app and improve user experience.
• Legal Compliance: To comply with legal obligations and enforce our Terms of Service.

3. Data Sharing and Disclosure

We respect your privacy and do not sell your personal information to third parties. We may share your information only in the following circumstances:

3.1 With Your Consent

We will share your information when you give us explicit permission to do so.

3.2 Service Providers

We may share information with trusted third-party service providers who assist us in operating our app, such as:

• Cloud storage providers (for encrypted backup)
• Analytics providers (anonymized data only)
• Customer support tools

These providers are contractually obligated to protect your information and use it only for the services they provide to us.

3.3 Legal Requirements

We may disclose your information if required by law, court order, or government request, or to protect the rights, property, or safety of Qihuiyu, our users, or the public.

3.4 Business Transfers

If Qihuiyu is involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

4. Data Security

We implement industry-standard security measures to protect your information:

• End-to-End Encryption: All messages are encrypted so only you and the recipient can read them.
• Secure Storage: Data is stored on secure servers with encryption at rest.
• Access Controls: Strict access controls limit who can access user data.
• Regular Audits: We conduct regular security audits and testing.

However, no method of transmission or storage is 100% secure. We cannot guarantee absolute security.

5. Data Retention

We retain your information for as long as necessary to provide our services and fulfill the purposes described in this policy:

• Account Data: Retained while your account is active and for a reasonable period after deletion.
• Messages: Encrypted messages are stored on our servers until delivered, then may be retained for up to 30 days for reliability purposes.
• Backup Data: If you enable backup, your data is retained in encrypted form until you disable the feature or delete your account.

6. Your Rights and Choices

6.1 Access and Update

You can access and update your profile information at any time through the app settings.

6.2 Delete Your Data

You have the right to delete your account and associated data at any time:

• In-App Deletion: Go to Settings → Account → Delete My Account. This will permanently delete your account and all associated data within 90 days.
• Email Request: Send a deletion request to privacy@Qihuiyu.com. We will process your request within 30 days.

Note: Account deletion is permanent and cannot be undone. Messages you've sent to others may remain visible to them.

6.3 Opt-Out Options

• Notifications: Disable push notifications in your device settings.
• Contacts Access: Revoke contacts permission in your device settings.
• Location Data: Disable location access in your device settings.

7. Children's Privacy

Qihuiyu is not intended for children under 13 years of age (or 16 in some jurisdictions). We do not knowingly collect personal information from children.

8. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. We ensure appropriate safeguards are in place to protect your data in accordance with this Privacy Policy and applicable laws.

9. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new policy in the app and updating the "Last Updated" date. Your continued use of Qihuiyu after changes are posted constitutes your acceptance of the updated policy.

10. Contact Us

11. Additional Information for EEA/UK Users

If you are located in the European Economic Area (EEA) or United Kingdom, you have additional rights under GDPR:

• Right to access your personal data
• Right to rectification of inaccurate data
• Right to erasure ("right to be forgotten")
• Right to restrict processing
• Right to data portability
• Right to object to processing
• Right to withdraw consent
• Right to lodge a complaint with a supervisory authority

To exercise these rights, contact us at privacy@Qihuiyu.com.

12. California Privacy Rights

California residents have specific rights under the California Consumer Privacy Act (CCPA):

• Right to know what personal information is collected
• Right to know if personal information is sold or shared
• Right to opt-out of sale of personal information
• Right to deletion of personal information
• Right to non-discrimination for exercising privacy rights

We do not sell personal information. To exercise your rights, contact us at privacy@Qihuiyu.com.