# Zhouyi I Ching Oracle — 64 Hexagrams · Yarrow Casting

> 64 Hexagrams · Yarrow Casting (iPhone/iPad app by Chan Bill.)

- Source: https://appshunter.io/ios/app/zhouyi-i-ching-oracle/id1281739482 (this page in markdown: same URL + `.md`)
- Developer: [Chan Bill](https://appshunter.io/developer/506424571)
- Category: Entertainment, Lifestyle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 38 MB
- Languages: American English, Chinese (Simplified, China), Chinese (Traditional, Taiwan), Vietnamese
- Released: 2017-09-25
- Data updated: 2026-08-27
- User reviews in markdown: https://appshunter.io/ios/app/zhouyi-i-ching-oracle/id1281739482/reviews.md

## What is Zhouyi I Ching Oracle?

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.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |



## Version history (last 5 releases)

### 3.24 — 2026-08-24

Version 3.24

• The widgets now set the classical text vertically (直書): 卦辭, 象曰, 彖曰 and 爻辭 run in columns on both 十二消息卦 and 最後一卦, so a long passage is shown in full instead of being cut off
• The hexagram moved to the right of the passage, the side vertical text is read from
• New 注音 / 粵拼 readings in the 64-hexagram grid: the 「拼」 menu at the top right switches between them, aligned character by character
• 64-hexagram grid layout: larger names, King Wen numbers hidden, both filter bars always on screen
• Reworked 數字卦 result screen: time and place moved to the top, the derivation aligned with the trigram rows (iPhone and Watch)
• New character glosses for 夬, 離, 震, 艮, 漸, 歸妹, 隨 and 無妄
• Punctuation and phrasing fixes across those hexagrams, in sync with the text database

### 3.23 — 2026-08-20

Version 3.23

• New 最後一卦 widget: your most recent cast — the hexagrams, its 爻辭, 象曰 and your note — on the Home Screen; tap to cast when there is none yet
• The widget comes in small and medium sizes, plus complications on the watch
• Fixed the voice-language setting: picking 普通話 still read aloud in Cantonese; the picker now says when a voice is not installed on the device
• Fixed captions in the 64-hexagram grid rendering as 「⋯ ⋯」
• Fixed a 之卦 reading being labelled, glossed and linked as the 本卦
• The 起卦 button now uses Liquid Glass
• New character glosses for 需, 同人 and 訟
• Punctuation and phrasing fixes in 巽, 豫, 益, 謙 and 渙

### 3.22 — 2026-08-14

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

### 3.21 — 2026-08-08

Version 3.21

• Every character gloss across the 64 hexagrams reviewed, with 130+ new glosses added
• The gloss popup now opens the glossary directly, scrolled to that term
• Redesigned sharing around a single, complete reading text
• The app returns to where you left off (iOS and watch)
• Glossary can be filtered by section: 卦辭, 爻辭, 彖曰, 象曰 (iOS and watch)
• The Daily Hexagram widget derives 節氣 and the 十二消息卦 from one astronomical source, so the day rolls over accurately
• Fixed the gloss popup clipping longer explanations
• Fixed everyday words like 豐盛 and 旅居 being marked with hexagram symbols

### 3.20 — 2026-08-03

Version 3.20

• New Bagua directions chart: Earlier Heaven and Later Heaven arrangements, with 說卦傳 quotes linked to the glossary (iOS and watch)
• History is now searchable by note content and reading text (iOS and watch)
• Zhu Xi's two/three/four-changing-line rules now show both the primary and secondary texts
• Hexagram 29 is now shown as 習坎 per the received text, with corrections to its judgment and top-line texts
• New character glosses for 渙, 節, 習坎, 蹇, 困, 蠱
• Trigram filter colors now follow the 說卦傳 imagery
• Fixed notes not being saved in certain situations
• Fixed a possible crash when loading a corrupted history record

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All apps by Chan Bill: https://appshunter.io/developer/506424571

## Related topics

[zhouyi i ching oracle](https://appshunter.io/ios/topics/zhouyi-i-ching-oracle)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-27.*