Jaeho Chung

Hey Product Hunt! 👋 I built Korean Diary AI because I was frustrated waiting 24+ hours on HiNative for feedback on my Korean writing. By the time the correction arrived, I'd already lost the context — and the motivation. So I built something different: write a Korean diary entry, get AI corrections on grammar, vocabulary, and naturalness in under 5 seconds. We just finished a private beta with...