Yes, both Sellerboard and AMZInsight offer a Free Trial.
Sellerboard is designed for Large Enterprises, Medium Business and Small Business.
AMZInsight is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Sellerboard Starts at $15/Month when Billed Yearly whereas for AMZInsight Starts at $39/Month.
Some top alternatives to Sellerboard includes Jungle Scout, ProfitBoard, SellerCenter, Marketplace Manager, SellerApp, AMZInsight, Helium 10, ProfitGuru, azManifest.com and Semrush E-Commerce Apps (Sellzone).
Some top alternatives to AMZInsight includes Jungle Scout, Cenports, AMZ.One, AMZScout, AmzChart, Sellerboard, ProfitGuru, azManifest.com, AMZRank and Semrush E-Commerce Apps (Sellzone).