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Yes, both Sheetgo and Dropbox Business offer a Free Trial.
Sheetgo is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Dropbox Business is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Sheetgo Starts at $20/User/Month when Billed Yearly whereas for Dropbox Business Starts at $12.50/Month.
Some top alternatives to Sheetgo includes Smartsheet, SpreadsheetWEB, Range, Zoho Sheet, Google Sheets, JXL, Resource Management by Smartsheet, Better Sheets, Rows and Sheet2APi.
Some top alternatives to Dropbox Business includes CollaborateCloud, Google Workspace, Odrive, Sync.com, Google Drive, FileCloud, Box, Microsoft OneDrive for Business, Dropbox Professional and BluSync.