Yes, both PieSync and Prospect.io offer a Free Trial.
PieSync is designed for Large Enterprises, Medium Business and Small Business.
Prospect.io is designed for Freelancers, Medium Business and Small Business.
Pricing for PieSync Starts at $9/Month when Billed Yearly whereas for Prospect.io Starts at $19/User/Month.
Some top alternatives to PieSync includes Zapier, Cloudpipes, KloudConnectors, InterWeave Smart Solutions, Integrately, IBM App Connect, DBSync Cloud Workflow, The Cloud Connectors, SyncApps and SaaS Integrator.
Some top alternatives to Prospect.io includes Apollo.io, AroundDeal, CrankWheel, ZoomInfo Engage, Reply, Outreach, ImagineSales, Adapt Engage, Sales Booster by Leadspicker, OutReachly by 500apps, Respond.io, Closely and SalesHandy.