The duiduidui! Blog

July 10, 2026

The App I Wished Existed

Every Chinese learning tool I tried came in one of two flavors, and each was missing the same thing: a model of the language itself, and of the jagged frontier of your mastery. So I built duiduidui.

July 9, 2026

Introducing duiduidui!

The story behind duiduidui: sixteen years of traveling through China with my wife Emily, learning Chinese so I could hear people's stories firsthand, and building the study tool I couldn't find anywhere else.