Ancient oracle meets modern classic! Explore an interactive English version of "The I Ching or Book of Changes" by Richard Wilhelm, edited by Hellmut Wilhelm, and translated by Cary F. Baynes, using a coin oracle or yarrow stalks, and an integrated journal.

NOTE: The text is only in English.

The I Ching, or Book of Changes, a common source for both Confucianist and Taoist philosophy, is one of the first efforts of the human mind to place itself within the universe. It has exerted a living influence in China for 3,000 years, and interest in it has been rapidly spreading in the West.

“Princeton's Bollingen edition—still regarded as the best and most authentic by I Ching aficionados.”

The complete work is available in three books. Book I is included with the I Ching or Book of Changes app. Book I includes Judgments pertaining to the diagrams as a whole, the line texts, and the Great Images.

Book II and III are available for additional in-app purchase.

Book II: The Material
Contains the Shuo Koa and the Ta Chuan from the Ten Wings, plus The Structure of the Hexagrams.

Book III: The Commentaries
Contains passages from the Ten Wings considered commentary to the texts, and On Consulting the Oracle.

Text © 1950, 1967, renewed 1977 by Princeton University Press. Used with permission.

Additional features:

Coins, yarrow stalks, quick and manual input oracle methods
Integrated journal for questions and notes
Component trigrams
Related Hexagrams

What's New

Version 2.0.1

Resolved an issue with Store > Restore Purchases.

If you enjoy using this app, please consider leaving a positive review or rating in the App Store. If you've already reviewed or rated a previous version, please resubmit it so that it appears with the current version. Thank you very much for your support!


Flat Earth Studio LLC
57.6 MB
Requires iOS 7.1 or later. Compatible with iPhone, iPad and iPod touch.
Age Rating
Rated 4+
© 2014 Brian Arnold


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