Neither MailChimp nor Waitwhile offers a free trial.
MailChimp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Waitwhile is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Waitwhile begins at $49/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 Waitwhile includes Social Q&A, BookingNinja, Qualified, Waitwize, Workvivo, Waiting list, Schedule Agent, Qwaiting, TablesReady, IFTTT and Waitlist Me.