Yes, both ComPDFKit and 3D Issue FlipBook offer a Free Trial.
ComPDFKit is designed for Freelancers, Medium Business and Small Business.
3D Issue FlipBook is designed for Large Enterprises, Medium Business and Small Business.
The starting price of 3D Issue FlipBook begins at $75/Month, while pricing details for ComPDFKit are unavailable.
Some top alternatives to ComPDFKit includes PDF Convert Free, ZonePDF, Qualified, Workvivo, StreamDocs, SimPDF, html2pdf.app, DeftPDF, PDF.js Express, IFTTT and HelloPDF.
Some top alternatives to 3D Issue FlipBook includes Qualified, Workvivo, Storydoc, FlippingBook, iSpring Flip, FlipHTML5, Flipsnack, Flip Booklets, AnyFlip, Paperturn, IFTTT and MagicBox.