
Hangul Sound Lab: Korean
Build letters and sound shifts
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About
Hangul Sound Lab helps you understand Hangul structure and Korean sound changes through hands-on building and listening.
BUILD HANGUL
Choose an initial, medial, and optional final consonant (batchim). The syllable is composed instantly using the official Unicode Hangul formula.
COMPARE SPELLING AND SOUND
See examples such as 국물 → 궁물 and 같이 → 가치. Tap each card to hear Korean speech.
FIVE SOUND-CHANGE TYPES
Learn nasalization, liquid assimilation, aspiration, palatalization, and tensification with words, realized sounds, meanings, and audio.
LEARNING RECORD
Completed Hangul builds are stored on your device.
STRUCTURED COURSE
Study 500 original questions across 100 levels, with listening, pronunciation, review, history, statistics, achievements, ranking, and multiple learner profiles.
The interface supports Japanese, English, Simplified Chinese, Korean, Spanish, French, and German.
Terms of Use
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy
https://hashisoft.jp/koreanland/privacy/
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What's New in Hangul Sound Lab
1.1
October 8, 2026
Added Hangul Sound Lab for building syllables and comparing spelling with real pronunciation. Explore five Korean sound-change types, hear audio, and save completion progress. Also fixed banner ads overlapping the tab bar.
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Subscriptions & In-App Purchases
$2.99
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