Yes, both PageProof and Jumpshare offer a Free Trial.
PageProof is designed for Large Enterprises, Medium Business and Small Business.
Jumpshare is designed for and undefined.
Pricing for PageProof Starts at $199/Month when Billed Yearly whereas for Jumpshare Starts at $8.25/Month when Billed Yearly.
Some top alternatives to PageProof includes Ziflow, ProofQuick, ProofCafe, QuickReviewer, ReviewStudio, WebProof, Coment, CrossCap Online Proofing, ProofStuff and Proofing.
Some top alternatives to Jumpshare includes CloudApp, Loom, Droplr, GoProof, ProofQuick, ProofCafe, Workgroups DaVinci Proof, WebProof, Dropbox Replay and Proofing.