Yes, both I Done This and Notion offer a Free Trial.
I Done This is designed for Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for I Done This Starts at $9/User/Month when Billed Yearly whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to I Done This includes Connecteam, Smartsheet, Miro, Todoist, Notion, Process Street, Wrike, TeamGantt, Teamwork, ProjectManager.com, nTask, TaskBranch, Today, MeisterTask, ClickUp and SmartTask.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.