Yes, both Retrium and Smartsheet offer a Free Trial.
Retrium is designed for Large Enterprises, Medium Business and Small Business.
Smartsheet is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Retrium Starts at $29/Month whereas for Smartsheet Starts at $9/month when yearly.
Some top alternatives to Retrium includes Smartsheet, Miro, Process Street, Wrike, Notion, Freshbooks, Zoho Projects, ProjectManager.com, Microsoft Project, ProWorkflow, RADAR, TRACR, Worksuite, Watchwork, Quick Base, ClickUp, Resource Guru, Project Insight, Retrocat, Metro Retro and bttr.
Some top alternatives to Smartsheet includes Miro, Process Street, Wrike, Notion, Jira, Microsoft PPM, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and Airtable.