About
View and access protected PDF documents using advanced cryptographic technology. This application allows you to open regular PDFs and securely view encrypted files after authentication.
What's New in CypherGuard PDF
1.8.0
March 26, 2026
* Support iOS 26 (Liquid Glass). * Updated the app icon. * Added a screen capture prevention feature. * Added a ToC to the bundled "CypherGuard PDF Guide". * Fixed a bug where search results were not cleared during new searches in the mini search viewer. * Adjusted error codes and messages. * Added a dialog prompting OS updates for users on iPadOS 26.0 and 26.0.1 due to an app crashing issue. * Other minor adjustments and improvements.
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FAQ
What is CypherGuard PDF?
CypherGuard PDF is an application designed to view PDF documents that have been protected using cryptographic technology. It allows users to open both regular PDFs and encrypted files after proper authentication.
Can I view any PDF file with CypherGuard PDF?
You can view regular PDF documents and encrypted files. However, CypherGuard PDF content files (.cpd files) that the distributor has restricted from viewing on iOS cannot be opened.
Does CypherGuard PDF support printing?
No, to ensure content protection, this application does not support file printing. This feature is intentionally omitted to maintain the security of the documents viewed.
Is CypherGuard PDF free to use?
Yes, CypherGuard PDF is available for free. It is listed as a free application with no in-app purchases or advertisements.
What devices is CypherGuard PDF compatible with?
CypherGuard PDF is compatible with iPhone, iPad, and iPod devices. It is designed for the iOS platform.
How often is CypherGuard PDF updated?
The latest version of CypherGuard PDF is 1.8.0, last updated on March 26, 2026. While this indicates a recent update, historical update frequency is not detailed.
What is the age rating for CypherGuard PDF?
CypherGuard PDF has an age rating of 4+, indicating it is suitable for users aged four and above. This suggests no mature content is present.
What do users think of CypherGuard PDF?
Based on the available data, CypherGuard PDF has a rating of 1.0 stars from 3 ratings. This indicates a very low user satisfaction score.
