Zhouyi I Ching Oracle

About this app

The I Ching (Book of Changes) is one of the oldest classics of Chinese culture, holding profound philosophy and wisdom for life. This app casts your hexagram with the traditional yarrow-stalk method — the oldest and most orthodox way to divine fortune. [Features] • Yarrow-stalk & number divination: simulates the traditional yarrow-stalk cast, plus a quick number-based method; derives the primary and resulting hexagrams, marks the changing lines, reads them by Zhu Xi's rules, and offers ritual (筮儀) guidance • Original I Ching text: the full Judgment, Tuàn commentary, Image, and the six line texts, each line paired with its own Image commentary • Line-text glosses: phrase-by-phrase annotations that explain how each line's imagery arises (取象), with tap-to-look-up definitions • Classics & Ten Wings: the Xù Guà, Shuō Guà, Zá Guà, and Xì Cí commentaries, with full-text search and quotation highlighting • Glossary: every character gloss gathered into one searchable index • Read aloud: speak the full hexagram text — judgment, line texts, and Image — to savour the rhythm of the classical Chinese • 64 hexagrams: browse all sixty-four and look up any original text, with pure and monthly-sovereign (消息卦) hexagrams marked • Sequence Song: the King Wen sequence mnemonic, with tappable hexagram names that open the hexagram detail • Opposite, reverse & nuclear hexagrams: automatically derives the opposite (錯), reverse (綜), and nuclear (互) hexagrams, with one-tap navigation to broaden your reading • Ask AI: long-press a reading to ask ChatGPT, Claude, Gemini, or Grok about it with the full hexagram context • Daily Hexagram: a home-screen and watch-face widget shows the day's monthly-sovereign hexagram and the current solar term • Reading history: records the date, time, and location of each divination, synced across your devices via iCloud • Apple Watch: full Apple Watch support — cast a hexagram anytime, anywhere Divination results are for reference only; their value lies in inspiring thought and broadening perspective.

Version 3.22 • The 64-hexagram grid can be filtered by number of 陽爻 (none through six), crossed with the trigram filter • Search moved to its own screen, so the grid is larger and now resizes with the window • The glossary's section filter became search tokens, and filtering and searching are far faster • The glossary reads from a cache, so opening the index is quicker • Hexagram detail now shows where a hexagram derives from, e.g. 既濟 from 泰 • New palette: one ink-amber tint throughout, and the parchment now reaches the bottom edge • Larger type on the watch — the classical text is no longer set at caption size • New character glosses for 比, 師, 小畜, 大畜, 井 and others, with punctuation and wording fixes throughout

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1. First observed Aug 19, 2026 · 10:00 AM Free