This is a viewer for CypherGuard PDF (https://www.cyphertec.co.jp/services/cypherguard/products/#CypherGuard_PDF), which protects PDF documents using cryptographic technology.
In addition to regular PDF documents, you can also view encrypted PDF documents after authentication.
* CypherGuard PDF content files (.cpd files) that the distributor does not permit viewing on iOS cannot be viewed.
* To protect the content, this app does not support file printing.
Ratings & Reviews
1.0
out of 5
3 Ratings
* 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.
Version 1.8.0
The developer, CypherTec Inc., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
Identifiers
Usage Data
Diagnostics
Privacy practices may vary, for example, based on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
