Can I use my iPad to organize photos that are stored externally? [closed]
Solution 1:
Have you looked at Cinq Photo? Not sure it has everything you are looking for but thought it might be a good start
Solution 2:
Pixelsync offers rating and flagging of your Aperture library on the iPad:
http://itunes.apple.com/us/app/pixelsync/id409409239?mt=8
It has some bugs but it looks such a promising app though.