Korean & TOPIK丨Hanglass — ASO

By DrawCode. on AppTrack Ninja.

Review before you forget

Hanglass is a Korean vocabulary app designed specifically for TOPIK (Test of Proficiency in Korean) preparation. A common pitfall in vocabulary learning is thinking you've memorized a word — only to forget it later. Hanglass solves this by applying the forgetting curve: the app automatically brings back words right when you're about to forget them, based on your personal learning progress. Each word is rated as "Known," "Unsure," or "Unknown," and review timing is optimized according to your learning history — helping vocabulary stick in long-term memory, efficiently. ・Focused on high-frequen…

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