Yes, both Instagantt and Miro offer a Free Trial.
Instagantt is designed for Individuals, Freelancers, Medium Business and Small Business.
Miro is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Instagantt Starts at $4.16/User/Month when Billed Yearly whereas for Miro Starts at $8/User/Month when Billed Yearly.
Some top alternatives to Instagantt includes Smartsheet, Miro, Process Street, Wrike, Notion, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, GanttPRO, nTask, Quick Base, GoodGantt, ClickUp and Gantt.io.
Some top alternatives to Miro includes Collaboard, Microsoft Whiteboard, WhiteboardFox, Conceptboard, MURAL, Lucidspark, Whimsical, Board, Zoom Whiteboard and Witeboard.