Yes, both Mailbutler and Posts Lab offer a Free Trial.
The starting price of Mailbutler begins at $4.95/month, while pricing details for Posts Lab are unavailable.
Mailbutler offers several advantages, including Email writing suggestions, Suggests complete email templates, Email scheduling feature, Tracks email opening and clicking, Introduces snooze feature for emails and many more functionalities.
The cons of Mailbutler may include a Limited to Gmail and Outlook, Limited to desktop and mobile, Access after early testing only, No dedicated app. and Limited feature access in testing
