Daily Word: Build vocabulary is an educational app available on iPhone that aims to enhance your English, Spanish, Korean, or Japanese vocabulary by introducing you to one interesting word every day. This free app simplifies language learning by focusing on a single word daily, aiding in confidence and proficiency development.

With Daily Word, you can listen to the pronunciation of each word by a native speaker, bookmark your favorite words for future reference, and even practice and receive feedback from native speakers on HelloTalk, the world's largest language exchange platform.

The app offers unique and diverse words of the day, including internet slang and local dialects, providing users with an engaging language learning experience beyond traditional textbooks.