I don't see anything about messaging, email or credit card processing, which fflya has in use. Airfi offering only IFE (inflight entertainment) at this point where fflya has IFC, inflight connectivity. That's the way I see it.
"enabling passengers to access games, journey-specific content and airline information, plus browse inflight retail offerings using their own mobile phones, tablet or laptops"
Airfi lets you do on your phone what you can do on the seatback screen. For airlines that don't have seatback screens it's a plus but it's not unique; lots of companies offer that. Bluebox, for one. fflya is integrated into the airline app which almost all passengers will have on their devices. Not sure how airfi connects
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