Circo
Neither Knocker nor Social Lead offers a free trial.
Knocker is designed for Large Enterprises, Medium Business and Small Business.
Social Lead is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Pricing for Knocker Starts at $39/Month when Billed Yearly whereas for Social Lead Starts at $75/Month.
Some top alternatives to Knocker includes LeadBring, Fresh Lead Finder, CloudLead, Sales Booster by Leadspicker, LeadSift, Lead Revealer, Qualified, Leadpals, Workvivo, WeSales and Social Lead.
Some top alternatives to Social Lead includes Social Opinion, Zoomph, SinglePlatform, SocialBook, Qualified, SocialPeta, Workvivo, Blog To Social, Radarly, Socital and IFTTT.