Yes, both Smartsheet and Notion offer a Free Trial.
Smartsheet is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for Smartsheet Starts at $9/month when yearly whereas for Notion Starts at $4/Month when Billed Yearly.
Some top alternatives to Smartsheet includes ClickUp, Miro, Process Street, Wrike, Notion, HubSpot CRM, Jira, Microsoft PPM, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and Airtable.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.