Evince vs Polaris Viewer Plus

Evince is a free document viewer for Linux desktop users. It opens PDF, PostScript, DjVu, DVI, XPS, OXPS, and Comic Book Archive files, and can display supported documents as full-screen presentations. Interactive forms can be completed, including text fields and scrollable list boxes. For PDFs, Evince can add notes and text highlights; these annotations are limited to PDF files. SyncTeX synchronizes a TeX source file with its resulting PDF. Printing is documented for DVI, DjVu, PDF, PostScript, and TIFF. When opening a password-protected PDF, Evince prompts for its password. It is not a file editor. Some Linux distributions may need the relevant backend package to support every listed format. The project wiki recommends obtaining Evince through the user's Linux distribution and points to packages or source for other download options. The help site includes user documentation and directions for reporting application bugs.

Polaris Viewer Plus is a document viewer for viewing and annotating original files across Android, iOS, macOS, web, and Windows. It offers pen-writing tools and tabbed viewing for keeping several documents open and switching between them. Listed formats include Word, Excel, PowerPoint, PDF, HWP, and PNG; additional template, macro, image, CSV, and text formats are supported for viewing only. The product lists Excel filters, slide notes, and bookmarks, and Palm Rejection separates pen from touch input. Its product page says document data is managed in volatile memory to prevent leakage. Viewer Plus is installed on the client and does not require an extra conversion server. It is described as compatible with groupware, electronic document management systems, and DRM solutions. Storage integration and logo insertion are available for workspace customization. Mobile requirements are iOS 15.0 or later and Android 10 or later. The page directs prospective customers to contact sales; no price is listed.