Yes, both Coefficient and Sheetgo offer a Free Trial.
Coefficient is designed for Large Enterprises, Medium Business and Small Business.
Sheetgo is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Coefficient Starts at $49/User/Month when Billed Yearly whereas for Sheetgo Starts at $20/User/Month when Billed Yearly.
Some top alternatives to Coefficient includes Sheetgo, SyncApps, Labsheets, Rows, SheetAI, Qualified, Workvivo, Gigasheet, Logic Sheet, Albato and Sheet2APi.
Some top alternatives to Sheetgo includes Smartsheet, SpreadsheetWEB, Range, Zoho Sheet, Google Sheets, JXL, Resource Management by Smartsheet, Better Sheets, Rows and Sheet2APi.