HiPDF offers Free Trial, but SimPDF does not.
SimPDF is designed for Individuals, Freelancers and Small Business.
HiPDF is designed for Large Enterprises, Medium Business and Small Business.
The starting price of HiPDF begins at $4/Month when Billed Yearly, while pricing details for SimPDF are unavailable.
Some top alternatives to SimPDF includes PDF Convert Free, PDF4me, ZonePDF, Smallpdf, PDFelement, Qualified, Workvivo, HiPDF, DeftPDF, IFTTT, HelloPDF and LightPDF.
Some top alternatives to HiPDF includes PDF Convert Free, ZonePDF, Smallpdf, Qualified, Workvivo, PDFdoctor, SimPDF, html2pdf.app, DeftPDF, IFTTT and HelloPDF.