Yes, both Zomentum and Apollo.io offer a Free Trial.
Zomentum is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Apollo.io is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Zomentum Starts at $99/Month whereas for Apollo.io Starts at $15/User/Month when Billed Yearly.
Some top alternatives to Zomentum includes Apollo.io, AroundDeal, CrankWheel, ZoomInfo Engage, EngageBay, Salesmate, Zendesk Sell, eSalesTrack, VanillaSoft, Salesvue, Sales Booster by Leadspicker, SalesHandy and Zoomifier.
Some top alternatives to Apollo.io includes AroundDeal, CrankWheel, ZoomInfo Engage, Outreach, Adapt Engage, LinkedIn Sales Navigator, Lusha, Seamless.AI, Use Outreach, OutReachly by 500apps, ZoomInfo and Closely.