In a post on the official Office blog, Microsoft has announced a major new version of OneNote for iPhone, iPad, and iPod touch.
First off, the update adds a much more rich editing experience. Now, files and formatting look the same across all devices. This includes things such as text, graphs, tables, borders, and more. If you draw on a note with a Windows tablet, the markings are then visible on your other devices, as well. All devices now support the ability to sync notebooks with Office 365 and SharePoint, as well as the ability to share files with other Office users. OneNote also now lets multiple people edit a note at the same time, much like Google Drive. Read more