Yes, both ProdPad and Trello offer a Free Trial.
ProdPad is designed for Large Enterprises, Medium Business and Small Business.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for ProdPad Starts at $1,199 when Billed Monthly whereas for Trello Starts at $5/User/Month when Billed Yearly.
Some top alternatives to ProdPad includes ProductPlan, Jira, productboard, Productroad, Backlogs, Next Please, ProdEasy, StoriesOnBoard, Height and IdeaPlan.
Some top alternatives to Trello includes ClickUp, Smartsheet, Miro, Process Street, Wrike, Notion, HubSpot CRM, Freshbooks, Jira, Basecamp, Zoho Projects, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, Resource Guru and Height.