Yes, both MassMailer and Campaign Monitor offer a Free Trial.
MassMailer is designed for Large Enterprises, Medium Business and Small Business.
Campaign Monitor is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of MassMailer begins at $12.49/Month, while pricing details for Campaign Monitor are unavailable.
Some top alternatives to MassMailer includes MailerSend, Campaign Monitor, Elastic Email, Salesforce Email Studio, StreamSend, Mailsend by 500apps, Speedy Newsletter, Qualified, Workvivo, SpeedyNewsletter and IFTTT.
Some top alternatives to Campaign Monitor includes Campaigner, Moosend and SMTP.