Altarsoft PDF Reader vs Skim
A side-by-side look at Altarsoft PDF Reader and Skim. For an in-depth review of either product, follow the links below.
Altarsoft PDF Reader
Office & Productivity
Altarsoft PDF Reader is a free, open-source PDF viewer for Windows. It provides basic PDF viewing, printing and annotation features in a lightweight program.
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Skim
Office & Productivity
Skim is a PDF reader and note-taking application for macOS. It provides annotations, highlighting, and notation tools for PDF documents, allowing users to mark up PDFs. Skim also enables searching PDF documents and works well with large PDF files.
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