What are the top three apps for iPad: You might be surprised to learn that Microsoft's Word, Excel, and Powerpoint laying claim to the one, two, and three spots, respectively







While the free version functions just fine as a viewer, you need to spring for an Office 365 subscription to edit or create files. An Office 365 Home subscription costs $100 per year with usage rights on up to five PCs and five mobile devices included, though Microsoft plans to roll out a $70 per year Office 365 Personal subscription later this spring, which will work with one PC and one tablet.

Apple isn't hurting in the deal. Microsoft has to pay Apple 30% revenue for any subscriptions sold directly within the iPad apps.