Yes, both MailMentor and Use Outreach offer a Free Trial.
MailMentor is designed for Large Enterprises, Small Business, Medium Business, Freelancers and Individuals.
Use Outreach is designed for Large Enterprises, Medium Business and Small Business.
Pricing for MailMentor Starts at $99.00per month when Billed Yearly whereas for Use Outreach Starts at $49/Month.
Some top alternatives to MailMentor includes ZoomInfo SalesOS and ZoomInfo.
Some top alternatives to Use Outreach includes ZoomInfo SalesOS, ZoomInfo, Slik, SalesIntel, Introhive, LinkedIn Sales Navigator, Intricately, SalesIntelligent, Sales Booster by Leadspicker, Outbound and Find Me Sales.