
Zhouyi: I Ching Classic Text
Legge's full text & Ten Wings
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About
The Zhouyi, known in the West as the I Ching or Book of Changes, is one of the oldest classics of Chinese thought. This app is a reader and study companion for the complete text: all 64 hexagrams with their judgments and line statements, the Ten Wings commentaries, twelve illustrated articles, and a journal for your own notes.
THE COMPLETE CLASSIC TEXT
- James Legge's complete English translation of the judgments, all 384 line statements and the Ten Wings commentaries
- Browse all 64 hexagrams, each with an ink-wash painting and a familiar English name such as The Creative and The Receptive
- A plain-language introduction to every hexagram, with its nuclear, opposite and inverse hexagrams
- Switch the app to Chinese for the original classical text, collated against several editions, with a modern Chinese translation of every line
LEARN
- Twelve illustrated articles: What Is the Zhouyi?, Yin, Yang and the Lines, The Eight Trigrams, The 64 Hexagrams, Line Positions, Changing Lines & Hexagrams, Ways to Cast, Reading a Cast, The Ten Wings, Casting with Yarrow Stalks, Body and Function in Plum Blossom, Six Lines and Najia
- Hexagram of the Day, also as a Home Screen widget
THE TRADITIONAL METHODS, EXPLAINED
- See how a hexagram was traditionally formed: the yarrow-stalk method from the Great Commentary with its exact odds, three coins, and the Plum Blossom number and time methods, with every step shown
- Zhu Xi's classical rules point you to the passage to read
YOUR JOURNAL
- Every hexagram you form is saved as a journal entry; star, search and add your reflections
- Export as JSON or text; sync between your own devices with iCloud
DETAILS
- Light and dark mode, Dynamic Type, 11 languages
- Works fully offline. No ads, no account, no data collected
- Open source: github.com/lswang6/zhouyi-classic-text
This is a reference and study app for a public-domain classic. It offers no horoscopes, astrology or predictions.
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What's New in Zhouyi
1.0
October 12, 2026





