Lumen

Give every word a little attention.

A Chinese-language vocabulary app combining word cards, chapter exercises, spaced repetition and a mistake notebook. Built around a daily learning loop rather than another list to memorize.

Open app
Lumen desktop interface
Lumen mobile browser viewport
393 × 659 CSS pixel mobile browser emulation.
850core words
85lessons
SM-2spaced repetition

What this project includes

Work shown: learning flows, exercise interactions, app implementation and deployment. Third-party learning content is not claimed as original; content review is ongoing.

Before you try it

Some content or features may require account access. Check how progress is saved before clearing browser data.

Chinese-language app. This page is an English introduction, not a claim that the app has an English UI.