Korean - Spanish is an educational app designed to help users learn Korean and Spanish efficiently. The app features a comprehensive dictionary with hundreds of thousands of words and sentences accessible offline. It provides quick word suggestions, voice calls using speech recognition, and sorts meanings by usage frequency. Users can learn words through example sentences and access a database of 118,000 Korean → Spanish and 104,000 Spanish → Korean words and phrases. The app includes translation capabilities, common daily life phrases, flashcards, tests, games, and various interactive learning activities.

The app offers a range of learning tools such as multiple choice tests, word matching games, writing exercises, pronunciation tests, and more. Users can customize their learning experience with features like history tracking, favorites, and a widget for quick access. Korean - Spanish aims to make language learning engaging and effective for users at all levels.