Yes, both TheTool and SellerApp offer a Free Trial.
TheTool is designed for and Large Enterprises.
SellerApp is designed for Large Enterprises, Medium Business and Small Business.
The starting price of SellerApp begins at $39/Month when Billed Yearly, while pricing details for TheTool are unavailable.
Some top alternatives to TheTool includes and undefined.
Some top alternatives to SellerApp includes Jungle Scout, CommerceIQ, Marketplace Manager, AMZScout, FOSHO AFF, AMZInsight, Helium 10, Omnyfy, Optiseller and OneMarket Insights.