Creator Builds Japanese App for Words Duolingo Won't Teach

airkatakana · x · 2026-08-18

A developer shared a Japanese learning app they created, focusing on niche vocabulary that mainstream apps like Duolingo skip (e.g., "rectal prolapse"). The author joked that knowing such words could be life-saving during a trip to Japan. The product addresses a gap in language learning for specific scenarios or subcultural terms.

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