Deloitte
Neither SessionLab nor Previewed offers a free trial.
SessionLab is designed for Large Enterprises, Medium Business and Small Business.
Previewed is designed for Individuals, Medium Business and Small Business.
Pricing for SessionLab Starts at $15/User/Month when Billed Yearly whereas for Previewed Starts at $20One-Time Payment.
Some top alternatives to SessionLab includes Previewed, Posted, Flows, Let's Get Digital, Qualified, Workvivo, Upcoach, VisitDays, Storydoc, Zgenda, Vailable and IFTTT.
Some top alternatives to Previewed includes Miro, NinjaMock, Balsamiq, Wireframe.cc, Mockplus, Claritee, Stage, Zen Wireframe, Lightning Builder and Mockly.