Yes, both Writemail and Supergrow offer a Free Trial.
Pricing for Writemail Starts at $12/month whereas for Supergrow Starts at $19/month.
Writemail offers several advantages, including Increases email productivity, Personalization options, Stores user preferences locally, Privacy conscious, Polite and many more functionalities.
The cons of Writemail may include a Stores options in cookie, No database storage, Lacks offline capabilities, Limited personalization / customization. and No API for integration
Supergrow offers several advantages, including Generates content ideas, Creates high-quality LinkedIn posts, Automates post generation, Includes carousel feature, Offers post formatting and many more functionalities.
The cons of Supergrow may include a Only for LinkedIn, No multi-platform support, Limited template customization, Automated posts potentially impersonal. and Limited customer service options