PDF.js Express offers Free Trial, but MuPDF does not.
PDF.js Express is designed for Large Enterprises, Medium Business and Small Business.
MuPDF is designed for Large Enterprises, Medium Business and Small Business.
The starting price of PDF.js Express begins at $375/Month when Billed Yearly, while pricing details for MuPDF are unavailable.
Some top alternatives to PDF.js Express includes VectorViewer, PDFelement, Qualified, Workvivo, ComPDFKit, Adobe Acrobat Reader, MuPDF, Foxit Reader, DeftPDF, IFTTT, Paperjet and DocSpring.
Some top alternatives to MuPDF includes VectorViewer, Qualified, BirdPDF, Workvivo, ComPDFKit, Adobe Acrobat Reader, StreamDocs, Foxit Reader, PDF Reader Pro, SimPDF, DeftPDF and PDF.js Express.