Trello offers Free Trial, but Dropbox Paper does not.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Dropbox Paper is designed for Medium Business and Small Business.
The starting price of Trello begins at $5/User/Month when Billed Yearly, while pricing details for Dropbox Paper are unavailable.
Some top alternatives to Trello includes Smartsheet, Miro, Process Street, Wrike, Notion, Freshbooks, Jira, Basecamp, Zoho Projects, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, ClickUp, Resource Guru and Height.
Some top alternatives to Dropbox Paper includes Evernote, Nimbus Note, Easynote, Notion, MeisterNote, Microsoft Word, Google Docs, pdfFiller, Notability, Note-Smart and Paper Workspace.