Polaris Viewer Plus vs ViewAnyFile.app

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.

ViewAnyFile.app is a browser-based viewer and converter for documents, spreadsheets, images, 3D models, CAD files, audio, video, code and databases. Its FAQ lists more than 200 supported formats and more than 40 conversion pairs. The product is described as a progressive web app for phones, tablets and desktops, with browser installation and offline support. Most processing happens in the browser, and client-side conversions have no limits. Legacy DOC, PPT and XLS conversions briefly use a server; server-side document conversions have a 25 MB limit. Client-side files are discarded when the tab closes, while server-processed files are purged within 60 seconds. The FAQ lists Chrome, Firefox, Safari, Edge, Brave and Opera, and recommends Chrome or Edge for formats that rely heavily on WebAssembly. The free core includes viewing, batch processing and client-side conversion without signup. A Pro plan is described as available soon at $9.99 a month. The service is not a certified HIPAA Business Associate.