Android/iOS: Quickoffice is our pick for the best office suite on both Android and iOS, but at $15 it was always a bit expensive. Now the app has become free, and comes packed with 10GB of free Google Drive storage if you log into the app this week.
On top of the new zero price, Quickoffice also gets a few updates, including the ability to create ZIP folders and a few more file types. If you sign into your Google account after downloading the app between today and 26 September, you'll also receive an extra 10GB of Google Drive storage for the next two years.
Quickoffice (free) [Google Play]
Quickoffice (free) [iTunes App Store]