PersistIQ offers Free Trial, but Closely does not.
PersistIQ is designed for Medium Business and Small Business.
Closely is designed for Large Enterprises, Medium Business and Small Business.
Pricing for PersistIQ Starts at $59 whereas for Closely Starts at $49/Month when Billed Yearly.
Some top alternatives to PersistIQ includes Apollo.io, AroundDeal, CrankWheel, ZoomInfo Engage, Outreach, SalesLoft, VanillaSoft, Cirrus Insight, Adapt Engage, Use Outreach, OutReachly by 500apps, Closely and SalesHandy.
Some top alternatives to Closely includes Leadfeeder, Lead Engines, CloudLead, eSales Hub, Sales Booster by Leadspicker, LeadSift, Leadcamp, Dynamic Leads, Lead Revealer and LeadIQ.