The I Ching or Book of Changes

Ancient meets modern classic! Explore an interactive version of the definitive Richard Wilhelm and Cary F. Baynes translation, in English.

For iPad, iPhone, and iPod touch.


Now available worldwide.

Ask questions

  • Enter a question or phrase
  • Toss coins by shaking
  • Or use yarrow stalks
  • Or use manual line input
  • Or use the Quick option


Manage a journal

  • Search by keyword
  • Present, Changes and Future
  • Add your own notes
  • Mail or copy journal entries 


Explore interactively

  • Component Trigrams
  • Ruling Lines
  • Related Hexagrams


Includes Book I: The Text, Judgments pertaining to the diagrams as a whole, the line texts, and the Great Images. 

Books II and III are also 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. For in-app purchase.
  • Book III: The Commentaries contains passages from the Ten Wings considered commentary to the texts, and On Consulting the Oracle. For in-app purchase.


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

This content is also available for in-app purchase in the Yi Jing app.

© Brian Arnold 2017