Neither MailChimp nor BotPenguin offers a free trial.
MailChimp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
BotPenguin is designed for Medium Business and Small Business.
The starting price of BotPenguin begins at $12.50/Month when Billed Yearly, while pricing details for MailChimp are unavailable.
Some top alternatives to MailChimp includes Campaigner, Moosend and SMTP.
Some top alternatives to BotPenguin includes Alterra, SmatBot, Messenger Bot, ChatBot, ChatGen, ChatAndBot and Tiledesk.