DiffPDF is described as 'can compare two PDF files. It offers two comparison modes: Text and Appearance' and is an app in the Development category. There are four alternatives to DiffPDF for Windows, Linux, Mac and iPad. The best alternative is Bluebeam Revu. It's not free, so if you're looking for a free alternative, you could try diff-pdf or diffpdf fork.
- 4 alternatives
- Bluebeam Revu delivers award-winning PDF creation, editing, markup and collaboration technology to Windows desktop and tablet users. Create and navigate smart, information-rich document sets from converted Microsoft Office and CAD files. View 54 alternatives to Bluebeam RevuNo screenshots yet
Seems like Bluebeam can't diff PDFs
- Easily compare and merge text files; compare doc, xls and pdf files; prepare comparison reports and printouts. View 44 alternatives to Compare It!
The program is no longer updated, but last version, 4.2, released in November 2010, can be still bought from the official website and it's reportedly still working.