Italian/English Translation Dict.
Now available for iPhone and iPod touch on the App Store
We wouldn't call it a full dictionary but WordRoll EI can be your handiest and quickest Italian/English reference in your pocket. It provides direct and precise word to word translations between Italian and English.
Plus, everything is on one page, probably the longest page you will ever see. The page scrolls as you type right into the entry you look for. No selecting, no navigating, the content is there the moment you complete typing.