Privacy Policy

1. Information We Collect

This App is a noise detection tool, whose main function is to use the device's microphone to measure ambient noise levels. To provide core services and optimize user experience, we may collect the following types of information:

1.1 Device Information

When you use this App, we may collect your device-related information, such as:

• Device Model: Used to adapt to different devices and optimize App performance.
• Operating System Version: Used to ensure App compatibility across different system versions.
• Unique Device Identifiers: Used to identify independent users, but we will not directly link them to your personal identity.
• IP Address: Used for basic network communication and statistical analysis, not for identifying personal identity.

1.2 Microphone Data

The core function of this App is noise detection, which requires access to your device's microphone. Please note:

• Real-time Processing: Audio data collected by the microphone is only used for real-time analysis of noise levels and display of results on the App interface.
• No Recording: This App will not record, store, or upload any raw audio data to our servers or any third party.
• Anonymized Processing: Microphone data is processed locally on the device to extract numerical information such as noise levels. This numerical information is anonymized.

1.3 Usage Data

We may collect anonymous statistical data about your use of this App, such as feature usage and crash reports, to help us improve App stability and user experience.

2. How We Use the Information Collected

We strictly use the collected information in accordance with this Privacy Policy, mainly for the following purposes:

• Provide Core Services: To implement noise detection functions and display noise levels in real-time on the App interface.
• Optimize and Improve the App: Based on device information and usage data, optimize the App's compatibility, performance, and user experience.
• Troubleshooting and Technical Support: Crash reports help us quickly locate and resolve problems in the App.
• Anonymous Statistical Analysis: To perform statistical analysis on anonymized data to understand the overall usage trends of the App.

3. Information Sharing and Disclosure

We promise not to sell, rent, or otherwise disclose your personal information to any third party, unless in the following circumstances:

• With Your Explicit Consent: In some cases, we may share your information after obtaining your explicit consent.
• Legal Requirements: As required by laws, regulations, court orders, or other legal procedures.
• Protection of Legitimate Rights and Interests: To protect the rights, property, or safety of us, other users, or the public.
• Third-Party Service Providers: We may cooperate with third parties who provide services such as technology and data analysis for us, but only to the extent necessary.

4. Information Security

We take reasonable physical, technical, and management measures to protect your information from unauthorized access, disclosure, use, modification, damage, or loss. These measures include:

• Data Anonymization: Anonymize collected data as much as possible to reduce the risk of personal identity association.
• Access Control: Strictly limit access permissions to data, and only authorized personnel can access relevant information.
• Security Protocols: During data transmission, we may use encryption technology to protect data security.

Although we have made every effort to take security measures, please understand that the Internet is not an absolutely secure environment, and no data transmission can guarantee 100% security.

5. Your Rights

Within the scope permitted by applicable laws and regulations, you may have the following rights:

• Right to Access: You have the right to know whether we process your personal information and to access such information.
• Right to Rectification: If you find that the information we hold about you is inaccurate or incomplete, you have the right to request us to correct it.
• Right to Erasure: In some cases, you have the right to request us to delete your personal information.
• Right to Withdraw Consent: If we process your information based on your consent, you have the right to withdraw your consent at any time.

To exercise your rights, please contact us using the contact information provided at the end of this policy. We will respond to your request within a reasonable time.

6. Children's Privacy

This App is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you are a child under 13, please do not use this App. If you believe that we may have collected information from a child under 13, please contact us immediately, and we will take steps to delete such information.

7. Changes to This Privacy Policy

We may revise this Privacy Policy from time to time. Any revisions will become effective by posting a new Privacy Policy on this page. We recommend that you regularly review this Privacy Policy to understand any changes. For major changes to this Privacy Policy, we will notify you through in-App notifications or email.

8. Contact Us

Thank you for reading this Privacy Policy!