Hey!

Thank you for your interest in WriterZen!

KWFinder is a great tool and it is where we got a lot of inspirations from. We believe we use the same database to find and sort keywords, and the main difference would be our Allintitle and Cluster function which I would say is unique compared to any keyword research tools in the market now. Most of other basic and advanced functions are similar in both tools.

Hope that clears things up!
Dan