Neither Next Campaign nor SMTP offers a free trial.
Next Campaign is designed for Large Enterprises, Medium Business and Small Business.
SMTP is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Next Campaign begins at $29/Year, while pricing details for SMTP are unavailable.
Some top alternatives to Next Campaign includes Campaigner, Moosend, SMTP, Omnisend, Constant Contact, EasySendy, Campaign Monitor, GetResponse, Emma, SmartMailer, weMail, Groupmail, Elite Campaign and SendFox.
Some top alternatives to SMTP includes Campaigner and Moosend.