Thanks! I know most miners are command line apps, but it doesn't have to stay that way.
Yes, it's free apart from the dev fee.
You can download it from the website, which also has screenshots and instructions for installation and configuration for pool or solo mining.
We've also put together a few short ( 10 minute ) videos on our You Tube channel.
If you want any email support, please feel free to contact me via the form on the "Help & Support" page on the website.