According to a report on The Verge today, Microsoft Office is most definitely on the way to iOS, and will be here in early 2013. Yes I know weâ€™ve already heard this a few times before, but The Verge even has pictures, and says that it has heard from sources close to Microsoft that an iOS Office is on the way. One version of the app will be free, but will only enable you to view Microsoft Office documents on your iPhone or iPad. You will then be able to buy an Office 365 subscription if you want to edit documents in the app. Apparently the editing facilities will only be basic though, and will not compare to the full desktop office version. As with the likes of OneNote, you will need a Microsoft account in order to access even the most basic Word, PowerPoint or Excel facilities.
Source: Exclusive: Microsoft Office for iPhone, iPad, and Android revealed | The Verge