Odii is an audio guide application that provides information on the history and culture of major tourist attractions in Korea. The app is a free tool that allows users to explore the country and its major cities from a fun and engaging perspective. The app provides audio guides that cover a wide range of topics, ranging from the history of Korea to the present day, with a particular focus on the past. It also provides a large selection of tours that will allow users to discover the best places to visit in Korea. The app is designed to make the experience of visiting Korea more fun and engaging, and is a useful tool for travelers who want to learn more about the country and its people.