Yes, both Jumpshare and ScreenFlow offer a Free Trial.
Jumpshare is designed for and undefined.
ScreenFlow is designed for Medium Business and Small Business.
Pricing for Jumpshare Starts at $8.25/Month when Billed Yearly whereas for ScreenFlow Starts at $129.
Some top alternatives to Jumpshare includes CloudApp, Loom, Droplr, GoProof, ProofQuick, ProofCafe, Workgroups DaVinci Proof, WebProof, Dropbox Replay and Proofing.
Some top alternatives to ScreenFlow includes Create, VideoStudio Pro, Camtasia, Loom, Snagit, Vmaker, RecordCast, Filmage Screen and iMovie.