Notion offers Free Trial, but Additor does not.
Additor is designed for Large Enterprises, Medium Business and Small Business.
Notion is designed for Individuals, Freelancers, Medium Business and Small Business.
The starting price of Notion begins at $4/Month when Billed Yearly, while pricing details for Additor are unavailable.
Some top alternatives to Additor includes Nimbus Note, Ditto, CollaborateCloud, Agreed on, Airtable, ClickUp, PleaseReview, Notion, MeisterNote and Chatdochub.
Some top alternatives to Notion includes Jira, Knote, Trello, Confluence, Asana, Easynote, ClickUp, TWiki, MeisterNote and Zenkit Hypernotes.