PDF API offers Free Trial, but SimPDF does not.
PDF API is designed for Large Enterprises, Medium Business and Small Business.
SimPDF is designed for Individuals, Freelancers and Small Business.
The starting price of PDF API begins at $67/Month when Billed Yearly, while pricing details for SimPDF are unavailable.
Some top alternatives to PDF API includes PDFTables, SimplyDocs, PDFtoExcel.com, DocuSutra, PDF.to, Qualified, Workvivo, StreamDocs, GenForge, SimPDF and IFTTT.
Some top alternatives to SimPDF includes PDF Convert Free, PDF4me, ZonePDF, Smallpdf, PDFelement, Qualified, Workvivo, HiPDF, DeftPDF, IFTTT, HelloPDF and LightPDF.