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Yes, both ProofHub and Approval Studio offer a Free Trial.
ProofHub is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Approval Studio is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for ProofHub Starts at $79/user/month when yearly whereas for Approval Studio Starts at $3,999/Month when Billed Yearly.
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.
Some top alternatives to Approval Studio includes PageProof, ProofQuick, ProofCafe, QuickReviewer, ReviewStudio, Workgroups DaVinci Proof, Hightail, WebProof, Coment and Proofing.