Legoland
Neither Zembula nor SMTP offers a free trial.
Zembula is designed for Large Enterprises and Medium Business.
SMTP is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Zembula begins at $3,000/Year, while pricing details for SMTP are unavailable.
Some top alternatives to Zembula includes Pipedrive, Campaigner, Moosend, SMTP, Omnisend, Constant Contact, MailChimp, Campaign Monitor, GetResponse, Elastic Email, Emma, Elite Email, Elite Campaign, SendFox, 7Engage and Structure Pie.
Some top alternatives to SMTP includes Pipedrive, Campaigner and Moosend.