Yes, both Zendrop and DSers offer a Free Trial.
Zendrop is designed for Large Enterprises, Medium Business and Small Business.
DSers is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Zendrop Starts at $49/Month whereas for DSers Starts at $15.90/Month when Billed Yearly.
Some top alternatives to Zendrop includes Spocket, AutoDS, Easyship, Shiprocket, Spark Shipping, Dropshipper, Dropified, 2Ship, Alidropship and Fulfill.
Some top alternatives to DSers includes Spocket, AutoDS, Dropshipper, Topdser, Dropified, Zendrop, DSM Tool, DropshipMe, Alidropship, Dropship SPY, EasyDser and Dropship Connector.