Plenty of Fish is largest 100% free dating service in the world. In July 2005 it was announced that Plenty of Fish is the fifth largest dating site in North America based on daily unique logins. Plenty of Fish sparks fear in the heart of the online dating idustry. During one week alone 100,000 daily unique logins exceeded the previous record of 50,000 daily unique logins of only three months prior. Match.com, Yahoo.com, eHarmony.com and AmericanSingles.com are the only other dating sites suspected to surpass it but Plenty of Fish is absolutely free site and it's the main reason of its popularity.

Every day 250,000 to 320,000 PlentyofFish users login into their system. Other dating sites talk about having millions of registered users. Yes, they may have millions of registrations, but 90% won’t answer an email because they left months ago. The only thing that counts is the number of active users a dating site has. Plenty of Fish is extremely active and really free dating service (no hidden payments).