In Pictures: The best office apps for your iPad, round 5

In the heated competition for native and cloud-based iOS productivity apps, InfoWorld chooses the winners you should own

Best cloud storage (tie): Box

Like Dropbox, Box enjoys wide support from iPad apps; works in Windows, OS X, and Android; and now offers the simple integration with OS X and Windows long provided by Dropbox, so it's easy to work with files. Box can be used with Apple's iWork suite on the iPad for no additional charge, and it offers an enterprise version that lets IT manage access and content rights for corporate data.

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