Inner Fence debuts iPad credit-card reader, rivaling Square in mobile payments. by Todd Bishop on July 25, 2011 at 12:25 pm July 25, 2011 at 12:30 pm.

E-commerce company Merchant Focus Processing and Inner Fence have acquired AppNinjas, creator of Swipe Credit Card Terminal for iPhone (formerly iSwipe). Terms of the deal were not disclosed.

Square -- the San Francisco mobile payments startup -- has some high-profile backers (Vinod Khosla, Ron Conway) and entrepreneurs (Twitter co-founder ...