Back in February, Ukrainian developer Readdle gave its Documents for iOS app a thorough makeover, adding features like a much polished iPad interface with iOS 7-friendly styling, in-app integration with other Readdle apps, a brand new file manager and much more.
Available today, the free Readdle Documents 5.1 download expands on the app's features set with further improvements.
If you import audio files into Documents, the app now lets you play music in the background so you can, say, read a PDF document as the music plays. Speaking of PDFs, the new Documents at last includes a full-featured e-book reader...