Yes, both Syncerize and SellerApp offer a Free Trial.
Syncerize is designed for Large Enterprises, Medium Business and Small Business.
SellerApp is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Syncerize Starts at $19/Month whereas for SellerApp Starts at $39/Month when Billed Yearly.
Some top alternatives to Syncerize includes SkuIQ, EasyEcom, Multiorders, MyStore, Shopify Plus, Shopify, SellerApp, Qualified, Workvivo, StoreSyncer, 1App and IFTTT.
Some top alternatives to SellerApp includes Jungle Scout, CommerceIQ, Marketplace Manager, AMZScout, FOSHO AFF, AMZInsight, Helium 10, Omnyfy, Optiseller and OneMarket Insights.