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