Privacy Policy
Last Updated: September 20, 2025
Effective Date: September 20, 2025
Please take the time to carefully review this Privacy Policy. By accessing or using “PDF Master - Scan, View & Edit”、"All PDF Reader - PDF Scan" 、“Heart Rate Tracker -Health Monitor”(referred to as “the App”), you acknowledge that you have read and agreed to the practices described herein regarding the collection, use, sharing, and safeguarding of your information. This policy forms an integral part of the App’s Terms of Use.
We recognize the significance of your personal data and are committed to ensuring its confidentiality and security. We adhere to applicable data protection regulations, including the GDPR and CCPA, in handling your information. Below, we outline how we gather, utilize, store, and protect your data, along with the rights available to you.
1. Information We Collect
While you use the App, we may gather the following types of information in compliance with legal principles and operational necessity:
- Information You Provide: This includes details you enter voluntarily, such as your email address and feedback content when submitting comments or support requests.
- Device Information: We collect technical data such as your device model, OS version, unique identifiers (e.g., IMEI, Android ID, Advertising ID), IP address, screen resolution, app version, and network type. This helps optimize app performance and ensure system security.
- Usage Logs: We automatically record interactions within the App, including feature usage, click patterns, search history, crash reports, and error logs. This assists in improving functionality and user experience.
- Document Metadata: When you handle documents (open, edit, or scan), we may collect metadata like file name, type, size, page count, and modification date. We do not access the actual content of your files.
- Camera and Gallery Access: To enable scanning features, the App requests camera and photo library permissions. Images are processed locally and are not transmitted to our servers unless you explicitly choose cloud-based features.
Please note that refusing to provide certain information may limit access to specific features but will not affect core functionality.
2. How We Use Your Information
We use your information for the following purposes:
- Core Functionality: To enable document viewing, editing, scanning, merging, splitting, and encryption.
- Performance Optimization: To analyze usage trends, enhance interface design, and improve app speed and reliability.
- Security and Troubleshooting: To identify and resolve technical issues, prevent misuse, and protect user accounts.
- User Support: To respond to inquiries and feedback.
- Research and Analytics: To conduct market research and improve services using aggregated, non-identifiable data.
- Advertising (if applicable): If ads are displayed, we or our partners may use device or usage data for ad personalization and measurement.
- Legal Compliance: To fulfill legal obligations, respond to lawful requests, or enforce our terms.
We will not use your data for purposes other than those described without your consent.
3. Cookies and Similar Technologies
While the App does not use cookies directly, third-party services (e.g., analytics or advertising SDKs) may use technologies like device identifiers or pixels to collect data for analysis and ad targeting.
You can manage these through your device or browser settings, though opting out may affect third-party functionalities.
Pangle: https://www.pangleglobal.com/zh/privacy/partner-en
Adjust: https://www.adjust.com/terms/privacy-policy
Applovin & Max: https://www.applovin.com/privacy/
Mintegral: https://www.mintegral.com/cn/privacy
Google AdMob & Firebase: https://policies.google.com/privacy
Yandex: https://yandex.com/legal/confidential/
Liftoff: https://liftoff.io/zh-hans/privacy-policy/
BIGO Ads: https://www.bigossp.com/agreement/privacyPolicy?v=v1.2.0
4. Sharing and Disclosure of Information
We do not sell your personal data. We may share information in the following scenarios:
- With your explicit consent.
- With service providers who assist in operations under strict confidentiality agreements.
- To comply with legal requirements or protect rights and safety.
- In connection with business transfers such as mergers or acquisitions.
- As aggregated, non-identifiable data for analytical purposes.
5. Third-Party Services and SDKs
The App may incorporate third-party services (e.g., cloud storage, advertising, analytics). Their use of your information is governed by their respective privacy policies. Examples include:
- Pangle, Adjust, AppLovin, Mintegral, Google AdMob, Firebase, Yandex, Liftoff, BIGO Ads.
These services may request permissions such as storage or network access. We encourage you to review their policies.
6. Data Storage and Security
Your data is stored locally on your device or on secure servers. We implement industry-standard measures—including encryption, access controls, and regular audits—to protect your information.
Note: PDF passwords are stored only within the encrypted file and cannot be recovered by us.
We retain your data only as long as necessary and will notify you in the event of a data breach as required by law.
7. Your Rights
You have the right to:
- Access, correct, or delete your personal data.
- Withdraw consent or restrict processing.
- Data portability and the right to object to certain uses.
- Under CCPA: know, delete, and opt-out of sales (though we do not currently sell data).
To exercise these rights, contact us using the details below. We will respond within a reasonable time and may require identity verification.
8. Children’s Privacy
The App is not intended for users under 16. We do not knowingly collect data from children. If you believe a minor has provided us with information, please contact us for its deletion.
9. International Data Transfers
Your data may be processed in locations outside your home country. We ensure that all transfers comply with applicable legal standards and provide adequate protection.
10. Policy Updates
We may update this policy from time to time. Significant changes will be communicated prominently within the App. Continued use after changes constitutes acceptance of the revised policy.
11. Contact Us
For questions or requests regarding your data, please contact us at:
[hafidellasrikorg@gmail.com]
12. Effective Date
This policy is effective as of September 20, 2025. Earlier versions are superseded by this document.
Thank you for trusting PDF Master. We are dedicated to protecting your privacy and enhancing your experience with our App.