Yes, both Kaiten and Miro offer a Free Trial.
Kaiten is designed for Medium Business and Small Business.
Miro is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Kaiten Starts at $7/User/Month whereas for Miro Starts at $8/User/Month when Billed Yearly.
Some top alternatives to Kaiten includes Smartsheet, Miro, Process Street, Wrike, Notion, Jira, KANBANSI, Kanboard, SwiftKanban, Kanbanize, Kendo Manager, Kanban Tool, Kanban Zone, KanbanFlow and Kanban One.
Some top alternatives to Miro includes Collaboard, Microsoft Whiteboard, WhiteboardFox, Conceptboard, MURAL, Lucidspark, Whimsical, Board, Zoom Whiteboard and Witeboard.