INDEPENDENT LANGUAGE TOOLS

Built for the way you study.

Apple-native apps for reading, writing, and remembering Japanese, Korean, and Chinese.

The apps

Choose the tool that fits what you're learning.

Kaku

iPhone, iPad & Mac · Japanese For writing

Write Japanese with an offline dictionary beside your note. Find conjugated forms, insert a useful expression, hear what you wrote, and try on-device suggestions for your grammar.

Sajeon

iPhone, iPad & Mac · Korean For vocabulary & reading

Look up Korean words, explore conjugations, and turn your own word lists into flashcard practice. A sentence reader helps you understand the vocabulary you meet.

Tsugi

iPhone, iPad & Mac · Japanese For vocabulary

Tsugi finds the next Japanese word you don't know (n+1), then teaches it in a real sentence just beyond your current level. Interactive furigana, audio, and adaptive review help each new word stick.

Yinpin

iPhone, iPad & Mac · Chinese For vocabulary & pronunciation

A faster path to Chinese fluency through Pinyin. Type Pinyin or Jyutping from memory, review HSK vocabulary in context, and practise Mandarin conversations with 小音.

TokeiTango

Apple Watch · Japanese For vocabulary

Learn Japanese words through examples, grammar and conjugations on your Watch.

Eohwi

Apple Watch · Korean For vocabulary

TOPIK vocabulary on your Watch, with speech-level examples, conjugations and etymology.

Zungzi

Apple Watch · Chinese For vocabulary

Study Chinese in Mandarin or Cantonese, with words and sentences on your Watch.