Campaign Monitor offers Free Trial, but Papersign does not.
Campaign Monitor is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Papersign is designed for Large Enterprises, Small Business, Medium Business and Individuals.
Pricing details for both Campaign Monitor and Papersign are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to Campaign Monitor includes Campaigner, Moosend and SMTP.
Some top alternatives to Papersign includes and PandaDoc.