Yes, both MailMentor and ZoomInfo offer a Free Trial.
MailMentor is designed for Large Enterprises, Small Business, Medium Business, Freelancers and Individuals.
ZoomInfo is designed for Large Enterprises, Medium Business and Small Business.
The starting price of MailMentor begins at $99.00per month when Billed Yearly, while pricing details for ZoomInfo are unavailable.
Some top alternatives to MailMentor includes ZoomInfo SalesOS and ZoomInfo.
Some top alternatives to ZoomInfo includes ZoomInfo SalesOS, SalesIntel, RevBoss, LinkedIn Sales Navigator, Zint, SalesIntelligent, advos, Visual Visitor Sales Intelligence and VoiceLab.
