Nike
Yes, both ReviewStudio and ProofHub offer a Free Trial.
ReviewStudio is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ProofHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for ReviewStudio Starts at $15/Month when Billed Yearly whereas for ProofHub Starts at $79/user/month when yearly.
Some top alternatives to ReviewStudio includes PageProof, ProofCafe, QuickReviewer, Workgroups DaVinci Proof, Hightail, WebProof, Coment, CrossCap Online Proofing, ProofStuff and Proofing.
Some top alternatives to ProofHub includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Basecamp, Trello, Wrike, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Trackboard, Quick Base and Project Insight.