Organic applicants are developers who are actively browsing jobs in Circular and apply to your open job directly. If you are using the Free version, you will only receive organic applicants.
Qualified candidates are developers who have been pre-vetted by other recruiters in the network and have been carefully matched to your specific requirements by the Circular team. These candidates are actively seeking new job opportunities and are either already interested in your job or you can reach out to them through Circular.