Relay.app offers Free Trial, but cFlow does not.
The starting price of Relay.app begins at $9/month, while pricing details for cFlow are unavailable.
cFlow offers several advantages, including MacOS and Windows compatibility, Seamless desktop integration, Natural human-like understanding, Versatile text handling, Email response capability and many more functionalities.
The cons of cFlow may include a Limited to desktop environments, No mobile version, No multi-platform synchronizing, May misinterpret contextual meanings. and Limited customer support channels