Privacy Policy
Effective Date: December 3, 2025Last Updated: December 3, 2025
XINGHAN (hereinafter referred to as "we", "us") recognizes the importance of protecting user privacy. This Privacy Policy explains how our utility application (hereinafter referred to as "the App") collects, uses, stores, shares, and protects your personal information, as well as the rights you enjoy in relation to this information.
Important Notice: Please carefully read and understand the entire content of this Policy before using the App. By downloading, installing, using, or continuing to use the App, you agree to our processing of your personal information in accordance with this Policy. If you do not agree with any part of this Policy, please immediately stop using the App.
1. Information Collection and Usage
We strictly adhere to the minimum necessity principle, collecting and using your information only to the extent necessary to implement the App's core functions.
1.1 Application Permission Requests
To ensure the normal operation of relevant functions, we may request the following system permissions:
Permission Name Purpose Usage Scenario
Storage Permission (Read and Write External Storage) File Management and Data Caching Read files on your device for processing, save file results generated by the App, and store necessary cache data
Device Information Permission (Read Phone State) Device Identification and Security Verification Obtain device identifiers to identify devices, prevent security risks, and ensure service stability
Network Permission (Access Network, View Network Status) Connect to the Internet and Online Services Used for App networking, resource downloads, data synchronization, and accessing online content (including advertisements)
Background Running Permission (Wake Lock, Auto-Start on Boot) Maintain Background Task Execution Ensure tasks such as file processing and data synchronization are completed in the background, and restore essential services after device restart
System Settings Permission (Modify System Settings) Optimize User Experience Temporarily adjust parameters such as screen brightness and volume according to your needs
Camera Permission (Access Camera) Capture changes in light reflection from fingertip blood flow to calculate heart rate When you perform a heart rate test, the camera is activated to collect optical signals from your fingertip for heart rate calculation
Flashlight Permission (Control Flashlight) Enhance measurement accuracy (automatically enabled if device supports it) In low-light conditions, the flashlight automatically turns on to optimize optical signal collection from the fingertip and improve heart rate test accuracy. This is a non-essential permission (basic measurement is not affected on devices without a flashlight), requires no separate authorization (linked with camera permission, automatically ignored on devices without a flashlight), and is automatically triggered during measurement (on devices with flashlight support)
Permission Management: You can manage the above permissions at any time via your device's Settings > Apps > [App Name] > Permissions. Disabling permissions may cause corresponding functions to become unavailable.
1.2 Types of Information Collected
Information You Voluntarily Provide
Account Information: Username, email address, etc., which may be required during registration.
User Content: Files, text, images, and other data you input, upload, or process while using the App.
Information We Automatically Collect
Device Information: Device model, operating system version, unique device identifiers, IP address, etc.
Usage Logs: App operation logs, crash reports, performance data, etc.
Usage Statistics: Anonymized statistical information such as feature usage frequency and operational habits.
1.3 Processing of Sensitive Information
In principle, we do not collect the following sensitive information:
Precise geographic location
Address book, SMS messages, call records
Camera and microphone data
Biometric information
If we need to use related functions (such as the camera and flashlight required for heart rate testing), we will separately obtain your explicit consent and provide detailed usage instructions. You may revoke authorization at any time in your device settings.
2. Purpose of Information Usage
The information we collect will be used for:
1.Providing, maintaining, and improving the core functions of the App
2.Processing account registration, login, and transaction management
3.Analyzing usage to optimize product experience
4.Sending important service notifications and security alerts
5.Preventing fraud and ensuring account security
6.Complying with legal and regulatory obligations
3. Third-Party Service Integrations
To enhance service functionality, we have integrated the following third-party services:
Service Provider Primary Function Privacy Policy Link
Adjust App Analytics and Ad Attribution View Policy
AnyThink Ad Aggregation and Display View Policy
Vungle Video Ad Display View Policy
Google AdMob Google Advertising Services View Policy
Mintegral Ad Display and Optimization View Policy
These third-party service providers will process relevant information in accordance with their own privacy policies. We recommend that you review their privacy policies for details.
4. Information Sharing and Disclosure
We solemnly promise not to sell your personal information to any third party. We may share information only in the following cases:
1.Sharing with Service Providers: Sharing necessary information with third-party SDK providers to achieve the purposes stated in this Policy
2.Compliance with Legal Requirements: To meet legal and regulatory requirements, respond to judicial procedures, or protect user rights and interests
3.Business Transfers: In the event of company mergers, acquisitions, or asset transfers
4.Protection of Security: To prevent fraud and ensure the safety of users and the public
5. Data Storage and Protection
Storage Location: Your data is primarily stored on servers in Singapore and other locations, and we ensure compliance with local data protection laws and regulations.
Storage Period: We retain your information only for the time necessary to achieve the purposes of this Policy, or as required by law.
Security Measures: We adopt reasonable technical and administrative measures to protect your information, including but not limited to:
oEncrypted data transmission
oAccess permission controls
oSecurity audit mechanisms
Please note that no method of internet transmission or electronic storage can guarantee 100% security.
6. User Rights Protection
You have the following rights regarding your personal information:
Right of Access: Inquire about your personal information held by us
Right of Correction: Correct inaccurate or incomplete personal information
Right of Deletion: Delete personal information where eligible
Right to Withdraw Consent: Revoke granted permissions via device settings
Account Cancellation: Cancel your account via in-App functions or by contacting us
Right to Complain and Report: File complaints with relevant regulatory authorities for violations
To exercise the above rights, please contact us via the contact information in Section 9. We will process your request promptly after verifying your identity.
7. Protection of Minors
The App is not intended for minors under 13 years of age (or higher age as specified by your jurisdiction). If we discover that we have inadvertently collected personal information from minors, we will immediately take steps to delete such information.
If you are a guardian and discover that your child has provided information to us without consent, please contact us immediately, and we will delete the information as soon as possible.
8. Policy Updates
We may revise this Privacy Policy from time to time. After an update, we will publish the latest version on this page and update the "Last Updated" date at the top. For material changes, we will notify you prominently, such as via in-App notifications.
Your continued use of the App constitutes acceptance of the updated Policy.
9. Contact Us
If you have any questions, comments, or suggestions regarding this Privacy Policy or the processing of your personal information, please contact us via:
Developer: XINGHAN
Email: xinghan753@gmail.com
We will respond to your inquiry within 15 working days of receipt. For requests involving personal rights, we will process them promptly after verifying your identity.
Thank you for choosing to use our App!