CosmoAI offers Free Trial, but Marcel van Willy's & Marjetten does not.
The starting price of CosmoAI begins at $3.99/month, while pricing details for Marcel van Willy's & Marjetten are unavailable.
CosmoAI offers several advantages, including Content creation assistant, Effective communication tool, Integrates with ChatGPT, Accessible from any location, Highly personalized and many more functionalities.
The cons of CosmoAI may include a Limited to specific websites, Reliant on ChatGPT model, Only a browser extension, Potential privacy concerns. and No multi-language support