Independent app studio

We build daily
learning games.

One round a day, and it starts to click. From Mandarin to the command line — a small studio that turns learning into a game.

Apps

3 apps shipping · more on the way

Live

Taiwanese Mandarin in Zhuyin — from listening dialogues to stroke-by-stroke handwriting, one round a day.

Taiwanese Mandarin · for EN · KO · ios · web

Live

Classic fables and short stories with word-level subtitles and shadowing — an audiobook that teaches your ears.

English through stories · for KO · ios · android

Live

A shell-learning game in your browser — real commands, real bash behavior, graded on the final state of the filesystem.

Linux shell · for EN · KO · web

Daily by design

Short sessions, every day. SRS and game mechanics make it a habit.

Content engine

The app plus an automated YouTube pipeline ship fresh content daily.

Small & independent

A one-person studio. Built fast, refined in the open.

New apps and updates, plus daily content on YouTube.