Privacy Policy for DeepPulse
**Effective Date:** July 29, 2026
DeepPulse ("the App", "we", "us", or "our") is operated by **Hong Kong Youypulian NetworkTechnology Co., Limited**. This Privacy Policy explains how we collect, use, store, and protect information when you use the App.
By using DeepPulse, you agree to this Privacy Policy.
1. Information We Collect
DeepPulse is designed to provide heart rate measurement and general wellness-related features.
We may collect the following types of information:
### 1.1 Information You Provide
We may collect information you voluntarily provide when using the App, such as:
- feedback you submit to us
- information you provide when contacting support
### 1.2 Camera Access
DeepPulse requests access to your device camera only for heart rate measurement functionality.
- The camera is used to detect pulse-related signal changes during measurement.
- We do **not** use the camera to take or store personal photos or videos for unrelated purposes.
- We do **not** publicly share camera input.
- We do **not** permanently store images or video captured during the measurement process.
### 1.3 Device and Usage Information
We may collect limited technical information such as:
- device type
- operating system version
- app version
- crash logs
- diagnostic data
- basic usage events
This information is used to improve app performance, fix bugs, and maintain service quality.
2. How We Use Information
We use information only for legitimate app-related purposes, including:
- providing heart rate measurement features
- maintaining and improving app functionality
- diagnosing technical issues and crashes
- responding to user inquiries or feedback
- ensuring app security and stability
- complying with applicable legal obligations
3. Heart Rate and Wellness Information
DeepPulse is intended for **general wellness and informational purposes only**.
- The App is not a medical device.
- The App does not provide medical diagnosis, treatment, or professional medical advice.
- Measurement results are intended only as personal wellness reference information.
4. Data Storage and Privacy
We take user privacy seriously.
- We do **not** sell your personal data.
- We do **not** publicly disclose your private information.
- We do **not** intentionally store camera recordings, personal photos, or videos from the measurement process, except as necessary for the feature to function in real time on your device.
- If certain technical or analytics data is processed, it is used only for app operation, stability, and improvement.
If some data is stored locally on your device for app functionality, it remains under your device's control unless otherwise stated in the App.
5. Sharing of Information
We may share limited information only in the following situations:
- with service providers that help us operate, maintain, or improve the App
- if required by law, regulation, legal process, or government request
- to protect our legal rights, users, or the security of the App
We do not share personal information for advertising resale purposes.
6. Data Retention
We retain information only for as long as reasonably necessary for:
- the purposes described in this Privacy Policy
- legal, regulatory, or security requirements
- app maintenance and dispute resolution
If certain information is stored only on your device, retention may depend on your device settings and whether you delete the App.
7. Children's Privacy
DeepPulse is not intended for children under the age required by applicable law in their jurisdiction without parental or guardian involvement.
We do not knowingly collect personal information from children in violation of applicable law. If we become aware that such information has been provided improperly, we will take reasonable steps to delete it.
8. Data Security
We use reasonable administrative, technical, and organizational measures to help protect information from unauthorized access, disclosure, alteration, or destruction.
However, no method of transmission or storage is completely secure, and we cannot guarantee absolute security.
9. International Users
If you use the App outside your local jurisdiction, you understand that your information may be processed in jurisdictions where data protection laws may differ from those in your country or region, subject to applicable legal requirements.
10. Your Rights
Depending on your jurisdiction, you may have rights regarding your personal information, such as:
- requesting access to your personal information
- requesting correction of inaccurate information
- requesting deletion of your personal information
- objecting to or restricting certain processing, where applicable
To exercise any applicable rights, please contact us at **zhouliwen@yuplian.top**.
11. Third-Party Services
The App may use third-party tools or services for analytics, crash reporting, infrastructure, or other operational support. Such third parties may process limited technical data in accordance with their own privacy terms and applicable laws.
We recommend reviewing any applicable third-party privacy policies where relevant.
12. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. If we make material changes, we may notify users by updating the policy in the App or through other appropriate means.
The updated version will take effect on the date shown at the top of this Privacy Policy.
13. Contact Us
If you have questions about this Privacy Policy, please contact:
**Hong Kong Youypulian NetworkTechnology Co., Limited**
**Email:** zhouliwen@yuplian.top