Korean Word of the Day is an iPhone application developed by Tran Hoa. It falls under the category of Education & Reference and is available for free. This program aims to enhance users' vocabulary by providing them with academic, obscure, and challenging words.

The application sources its vocabulary from trusted references such as the Oxford Advanced Learner's Dictionary, Cambridge Dictionary, SAT, GRE, GMAT, IELTS, TOEFL, and CAT exams. Each word is accompanied by simple examples and numerous synonyms to aid in understanding and memorization. For those who struggle with pronunciation, the app offers various pronunciation options.

Korean Word of the Day encourages users to make learning a daily habit by providing customizable notifications. With this app, users can impress their friends, family, and teachers by expanding their vocabulary. Additionally, they can improve their reading comprehension and focus, as well as communicate more effectively.

The app features a daily widget that displays a new word, making it easily accessible. Users can also like words they want to remember and share them with friends. For those seeking a challenge, the Word Search Challenge feature adds an element of fun to the learning experience.

Overall, Korean Word of the Day is a valuable tool for anyone looking to expand their Korean vocabulary. With its comprehensive word database and user-friendly features, this app is a great choice for language learners.