Paris and San Francisco based startup Fanzy, a Facebook app that rewards fans for spreading the word and helps brands to attract social influencers, has raised $500,000 in additional seed financing.  The financing brings Fanzy’s total capital raised to approximately $850,000.

Fanzy's investors include founder and CEO of media buying agency Libre & Change, Georges Chryssostallis, Gary Stiffelman, a partner at the Los Angeles entertainment law firm of Ziffren Brittenham LLP, which also serves as an advisor to Fanzy, and Roland Swenson, founder and CEO of the SXSW interactive and music festival.

Fanzy's Facebook app gamifies the fan experience by rewarding them for activity around brands, muisc TV, films and sports. Fanzy can be added to Facebook pages at no cost in three clicks.

Users discover Fanzy on a tab of a Facebook Page. Once installed, they are rewarded with social achievement badges, physical rewards, exclusive content and online discounts.  Marketers have access to a rewards builder that enables them to offer rewards to influential social fans based on levels of influence on specific topics.  There are currently over 2 million rewards available.

More than 14,000 brands have added Fanzy to their Facebook fan page, creating a total reach of 240M fans on Facebook.  300,000 have been dubbed by Fanzy as influential have installed the app and are sharing their fan data with Fanzy on a minute to minute basis.