Clearing up the iCloud Drive confusion: No, there's no iCloud Drive app on iOS!
The launch of iOS 8 brought with it the launch of iCloud Drive, and... a whole lot of confusion. Apple stated during the WWDC keynote that while iCloud Drive was coming to both the Mac and iOS, there would not be a standalone iCloud Drive app. That's not a problem with OS X Yosemite because it's built right into the Finder, but iOS doesn't have a Finder either, so the only way to access iCloud Drive on an iPhone or iPad is through an app like Numbers, Keynote, Pages, or an App Store app. Cue the internet pitchforks and torches. So, what's really going on with iCloud Drive on iOS, and how can you get to your files?
Full story from the iMore Blog...