Yes, both AMZInsight and Jungle Scout offer a Free Trial.
AMZInsight is designed for Large Enterprises, Medium Business and Small Business.
Jungle Scout is designed for Medium Business and Small Business.
Pricing for AMZInsight Starts at $39/Month whereas for Jungle Scout Starts at $19/Month when Billed Yearly.
Some top alternatives to AMZInsight includes Jungle Scout, Cenports, AMZ.One, AMZScout, AmzChart, Sellerboard, ProfitGuru, azManifest.com, AMZRank and Semrush E-Commerce Apps (Sellzone).
Some top alternatives to Jungle Scout includes Sellics, AMZ.One, Marketplace Manager, AMZScout, AMZ Alert, AMZInsight, Helium 10, Optiseller, ProfitGuru and AMZRank.