Yes, both PageProof and GoProof offer a Free Trial.
PageProof is designed for Large Enterprises, Medium Business and Small Business.
GoProof is designed for Freelancers, Medium Business and Small Business.
The starting price of PageProof begins at $199/Month when Billed Yearly, while pricing details for GoProof are unavailable.
Some top alternatives to PageProof includes Ziflow, ProofQuick, ProofCafe, QuickReviewer, ReviewStudio, WebProof, Coment, CrossCap Online Proofing, ProofStuff and Proofing.
Some top alternatives to GoProof includes Google Sheets, PageProof, ProofQuick, ProofCafe, QuickReviewer, Workgroups DaVinci Proof, WebProof, Coment, CrossCap Online Proofing and Proofing.