Yes, both Stacker and SpreadsheetWEB offer a Free Trial.
Stacker is designed for Large Enterprises, Medium Business and Small Business.
SpreadsheetWEB is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Stacker Starts at $59/Month when Billed Yearly whereas for SpreadsheetWEB Starts at $1,199 when Billed Monthly.
Some top alternatives to Stacker includes Quick Base, Bubble, Softools, Airtable, Softr, Logiak, DrapCode, Undaku, OptimumHQ, Glide Pages and Glide.
Some top alternatives to SpreadsheetWEB includes Quick Base, AppElixir, NoCodeZ, Appy Pie, 2OS App Builder, DrapCode, Codeless, NoCodeAPI, No Code Chart and Sheet2APi.