Yes, both Ellie and Mailr offer a Free Trial.
Pricing for Ellie Starts at $19/month whereas for Mailr Starts at $4.99/month.
Ellie offers several advantages, including Writes emails faster, Learns your writing style, Generates context-filled replies, Supports multiple languages, Chrome and Firefox extension and many more functionalities.
The cons of Ellie may include a Supports only Gmail, Limited revisions, Only available on Chrome and Firefox, Limit on number of replies. and No offline version
Mailr offers several advantages, including Google Chrome extension, Writes & replies to emails, User-controlled email intention, 10+ custom tones selection, Individuals & businesses friendly and many more functionalities.
The cons of Mailr may include a Only for Google Chrome, Requires account authentication, Not multi-language, Platform specificity. and Doesn't support all email platforms