diff-pdf Alternatives
diff-pdf is described as 'A simple tool for visually comparing two PDF files' and is an app. There are three alternatives to diff-pdf for Linux, Windows and Mac. The best alternative is DiffPDF. It's not free, so if you're looking for a free alternative, you could try diffpdf fork or diff-pdf.
DiffPDF can compare two PDF files. It offers two comparison modes: Text and Appearance.
Features
A simple tool for visually comparing two PDF files.