Talking Japanese Phrasebook : The best iPhone apps for Japan - Talking Japanese Phrasebook by iDev entertainment, size 6.6MB Price 0.99$ Whether or not you a short-term visitor, just moved to Japan or long-time veteran of the country, this has to be the most effective “alrounder” of the language apps available. Holding over 500 words and phrases it should help you get by in just about any situation you will find yourself in while in Japan. Simply select the phrase you need and the app will respond with audio instruction, romaji, Japanese and an English written translation. Many of the phrases also include side notes to help you get some context and help your understanding of what it is exactly you are saying.
Link: http://itunes.apple.com/us/app/talking-english-to-japanese/id290627420?mt=8