Campaigner offers Free Trial, but PostSheet does not.
PostSheet is designed for Freelancers, Medium Business and Small Business.
Campaigner is designed for Large Enterprises, Medium Business and Small Business.
Pricing details for both PostSheet and Campaigner are unavailable at this time. Contact the respective providers for more information.
Some top alternatives to PostSheet includes Pipedrive, Campaigner, Moosend, SMTP, Omnisend, Constant Contact, MailChimp, GetResponse, Mailjet, GStep, Bulky, Sendicate, Inbox Mailers, Mailsend by 500apps, SendFox, Emaily and Go Mail Merge.
Some top alternatives to Campaigner includes Pipedrive, Moosend and SMTP.
