Effective Date: September 30, 2025
Contact: siwuxienetech@gmail.com
Thank you for using PDF Reader. We value your privacy and data protection. This Privacy Policy explains how we collect, use, share, and protect your information. By using this app, you agree to this Privacy Policy.
I. Information Collection
During your use of PDF Reader, we may collect the following information:
1. Device Information
Device model, operating system version, language setting, unique device identifiers (such as Android ID, Advertising ID).
Network information (such as IP address, network type).
2. Usage Information
Number of app launches, feature usage, crash logs, and performance data.
Records of ad interactions (such as clicks and impressions).
3. Storage Permission Information
The app requests the `android.permission.MANAGE_EXTERNAL_STORAGE` permission to access and manage PDF files on your device.
We do not collect, upload, or share your personal files without your permission. All file operations are local.
4. Camera Usage Information
The app requests the android.permission.CAMERA permission to provide features such as taking photos or scanning documents and saving them as PDFs.
We do not collect or store your camera image data; captured files are only saved on your device.
5. Advertising and Analytics Information
We have integrated with advertising platforms (Vungle, UnityAds, Ironsource, Pangle, Facebook, Admob, AppLovin, Mintegral, and Chartboost). These platforms may collect anonymous device information and usage behavior for ad delivery and personalized recommendations.
We use Firebase to collect anonymous statistics (such as crash reports, performance monitoring, and usage analytics) to improve app functionality and stability.
II. Information Use
The information we collect will be used for:
1. Providing and optimizing PDF file reading and management features.
2. Displaying and improving ad delivery to provide a more relevant advertising experience.
3. Monitoring app performance, fixing bugs, and improving user experience. 4. Ensure app security and prevent fraud, abuse, or violations.
III. Information Sharing
We do not sell, rent, or trade your personal data.
Where necessary, we share anonymous information with advertising and analytics providers so they can help us improve advertising effectiveness and app performance.
All information obtained by third parties is used solely for advertising and statistical analysis purposes.
IV. Children's Privacy
1. This app is intended for users 13 years of age and older.
2. We do not intentionally collect personal information from children under 13 years of age.
3. If you are under 13 years of age, please do not use this app. If we discover that we have inadvertently collected information from children under 13 years of age, we will immediately delete it.
V. Permissions
1. Storage Permission (MANAGE_EXTERNAL_STORAGE)
Used to access, manage, and display PDF files on your device.
This permission is limited to file browsing, reading, and management operations and is not used to collect or upload personal privacy data.
2. Network Permission
Used to load advertising content, perform Firebase data analytics, and ensure normal app operation.
3. Other Necessary Permissions
The app may request additional permissions (such as notification permissions) based on functional requirements. These permissions require your authorization before use.
VI. Advertising Policy
Ad platforms integrated into the app include: Vungle, UnityAds, Ironsource, Pangle, Facebook, Admob, AppLovin, Mintegral, and Chartboost.
Ads may be personalized based on your device information, approximate location information, and usage habits.
You can limit ad personalization in your device's system settings.
VII. Data Security
We implement reasonable security measures to protect data from unauthorized access, use, or disclosure.
However, due to the limitations of network transmission and storage methods, we cannot guarantee complete data security in all circumstances.
VIII. User Rights
You have the right to access, correct, or delete the information we collect.
If you wish to exercise these rights or have any questions, please contact us at siwuxienetech@gmail.com.
IX. Privacy Policy Updates
We may update this privacy policy based on business adjustments or legal requirements. The updated policy will be posted in the app or on the app store page and will take effect immediately.
X. Contact Us
If you have any questions about this Privacy Policy or data protection related matters, please contact us via the following email:
📧 siwuxienetech@gmail.com