Yes, both Agent Herbie and Mavex offer a Free Trial.
Pricing for Agent Herbie Starts at $59/month whereas for Mavex Starts at $29.99/month.
Agent Herbie offers several advantages, including Productivity multiplier, Task automation, Data analysis, Market research, Content creation and many more functionalities.
The cons of Agent Herbie may include a Email-only interaction, Limited integration options, No mention of security, No customization mentioned. and Potential lack of accuracy