compareDocs is described as 'is the leading document comparison tool. It compares documents with incredible accuracy, reliability and speed across all document types - including Word, PDF, PowerPoint and Excel' and is a Document Manager in the Office & Productivity category. There are four alternatives to compareDocs for Windows, Mac, Self-Hosted solutions and SaaS. The best alternative is DirEqual. It's not free, so if you're looking for a free alternative, you could try Aspose.Total Comparison. Other great apps like compareDocs are Workshare Compare (Paid) and Diff Doc (Paid).
Aspose.Total Comparison is a free file comparison web app that allows users to compare different kinds of documents online. It supports PDF, DOCX, XLSX, PPTX, VSDX, HTML, EPUB, RTF, XPS, ODT, ODP & more from any devices supporting a modern browser.