Effective Date: December 29,2050
Contact: xiaoweiinteractive@gmail.com
Thank you for using PDF Reader. We respect your privacy and are committed to protecting your personal data. This Privacy Policy explains how we collect, use, share, and safeguard your information. By continuing to use this app, you acknowledge and agree to the terms of this policy.
I. Information Collection
During your use of PDF Reader, we may collect the following categories of information:
1. Device Information
We may collect information such as your device model, operating system version, language settings, and unique identifiers (including Android ID and Advertising ID), as well as network information such as IP address and network type. These details help ensure app compatibility and performance.
2. Usage Information
We may collect statistical data such as app launch frequency, feature usage records, crash logs, and performance diagnostics, along with advertising interaction events (e.g., impressions and clicks) to improve stability and service quality.
3. Storage Permission Information
The app requests the `android.permission.MANAGE_EXTERNAL_STORAGE` permission to access and manage PDF files stored on your device.
All file operations are performed locally. We do not read, upload, or share your personal files without your explicit consent.
4. Camera Usage Information
The app may request the `android.permission.CAMERA` permission to support features such as taking photos or scanning documents for PDF creation.
We do not collect or store camera image data; captured content is saved only on your device.
5. Advertising and Analytics Information
We integrate advertising platforms including Vungle, UnityAds, IronSource, Pangle, Facebook, AdMob, AppLovin, Mintegral, and Chartboost.
These services may collect anonymized device and behavioral data to support ad delivery and relevance optimization.
We also use Firebase for anonymous analytics, crash reporting, and performance monitoring to enhance functionality and reliability.
II. Information Use
The information we collect may be used for the following purposes:
1. Providing and improving PDF reading, browsing, and file management features.
2. Delivering and optimizing advertising content to improve relevance and user experience.
3. Monitoring app performance, diagnosing issues, and enhancing stability.
4. Ensuring security and preventing fraud, abuse, or policy violations.
III. Information Sharing
We do not sell, rent, or trade your personal data.
Where necessary, we may share anonymized and aggregated information with advertising and analytics partners to improve ad performance and service quality.
Third parties may use this information only for advertising and statistical analysis purposes in accordance with their privacy policies.
IV. Children’s Privacy
1. This app is intended for users aged 13 and above.
2. We do not knowingly collect personal information from children under 13.
3. If we discover that such information has been collected, we will delete it promptly.
If you believe a child has used the app without consent, please contact us.
V. Permissions
1. Storage Permission (MANAGE_EXTERNAL_STORAGE)
Used to access, display, and manage PDF files stored on your device.
This permission is limited to file management and does not involve collecting or uploading private data.
2. Network Permission
Used to load ads, perform Firebase analytics, and ensure normal app functionality.
3. Other Necessary Permissions
Additional permissions (such as notification-related permissions) may be requested as needed and will only be activated after your authorization.
VI. Advertising Policy
Advertising partners include: Vungle, UnityAds, IronSource, Pangle, Facebook, AdMob, AppLovin, Mintegral, and Chartboost.
Ads may be personalized based on device information, approximate location, and usage patterns.
You may limit ad personalization through your device settings.
VII. Data Security
We apply reasonable technical and administrative safeguards to protect data against unauthorized access, misuse, or disclosure.
However, due to inherent limitations of data transmission technology, absolute security cannot be guaranteed.
VIII. User Rights
You have the right to access, correct, or request deletion of your information.
If you wish to exercise these rights or have questions regarding data protection, please contact us at [xiaoweiinteractive@gmail.com](mailto:xiaoweiinteractive@gmail.com).
IX. Privacy Policy Updates
We may update this policy from time to time based on business changes or legal requirements. Updated versions will be published within the app or on the app store page and will take effect upon release.
X. Contact Us
If you have any questions regarding this Privacy Policy or data protection matters, please contact us at:
Email: xiaoweiinteractive@gmail.com