Quiz
연습 Yeon-seup. Choose what to practice.

Spaced repetition on. Missed characters return more often.
Character Recognition
More Modes
Each quiz is 10 questions. Character modes: see a character, pick the romanization. Listen: hear it, pick the character. Vocabulary: see a word, pick the meaning.
Core pronunciation model
Beginner view. switch depending on how much detail you want.
Three consonant families
Korean stop sounds come in plain, airy, and tight versions. Do not collapse them into one English sound.
Read by blocks
Treat each square Hangul block as one beat of sound, not as separate letters in a row.
Batchim changes sound
A final consonant often sounds different from the same letter at the start of a syllable.
Use audio over spelling
Romanization helps at first, but your ears should become the final authority.