Yes, both SellerApp and ShopBase offer a Free Trial.
SellerApp is designed for Large Enterprises, Medium Business and Small Business.
ShopBase is designed for Large Enterprises, Medium Business and Small Business.
Pricing for SellerApp Starts at $39/Month when Billed Yearly whereas for ShopBase Starts at $17/Month when Billed Yearly.
Some top alternatives to SellerApp includes Jungle Scout, CommerceIQ, Marketplace Manager, AMZScout, FOSHO AFF, AMZInsight, Helium 10, Omnyfy, Optiseller and OneMarket Insights.
Some top alternatives to ShopBase includes Dropshipper, ApiDrop, Shopify Plus, Shopify, Selly, Fulfill, PlusBase, Sell.xyz, Qualified, Workvivo, Printful and Multi-Drop.