According to new data from ad platform and market research firm Nanigans (via VentureBeat), Facebook advertisers are seeing approximately 1790% more profit from mobile ads on iPhone when compared to ads on Android. The study tracked over 200 billion ads on Facebook, and also revealed that cost of mobile advertising on Android is greater than the return on investment received through the platform. “Retailers are realizing significantly greater return from audiences on iOS than audiences on Android,” the report says. “For the first three quarters of 2013, RPC [revenue per click] on iOS averaged 6.1 times higher than Android and ROI [return on investmen