Microsoft’s Office for iPad apps jumped in download popularity on Friday, topping the App Store’s U.S. chart the day after the Redmond, Wash. firm handed consumers more functionality free of charge.

On Friday, Microsoft’s Word, Excel and PowerPoint apps for the iPad were ranked Nos. 1, 2 and 3, respectively, on the App Store free download list.

Two days earlier, those same apps were ranked Nos. 14, 39 and 44 in the U.S., according to AppAnnie, a company that tracks app store market data for developers. Distimo, which AppAnnie acquired in May but still maintains its own listings, pegged Word, Excel and PowerPoint on the iPad at Nos. 12, 39 and 48 on the same day, Wednesday, Nov. 5.

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