PocketBook reader
https://itunes.apple.com/us/app/pock...805488884?mt=8
Free
iOS 6.0 +
Curl animation for Pdf and Djvu, and more importantly highlighting and annotation for Djvu.
So with tiReader lite probably the best
free app for Djvu files at the moment.
https://itunes.apple.com/us/app/tire...688254749?mt=8
A good few Pdf, Djvu and comic readers with curl animation.
http://www.ipadforums.net/ibooks/801...pdf-too-3.html