Explore 64 Hexagrams
Browse the complete list of 64 hexagrams, then learn how lines, trigrams, and changing lines work.
I Ching / Yijing / 易經
About the I Ching App & Website
A free website and mobile app for exploring all 64 hexagrams, learning practical consultation methods, and returning to the Book of Changes as a tool for thoughtful reflection.
Purpose and features
What the Project Offers
The project makes it easier to study the I Ching’s patterns of change and apply them as prompts for reflection and perspective. It does not promise guaranteed predictions or replace your own judgment.
Learn the Book of Changes
Start with what the I Ching is and follow its development in the history guide.
Consult Thoughtfully
Use the step-by-step consultation guide to frame a focused question, cast six lines, and interpret the result with care.
Creator
Developed by PkDeveloper Agency
Software developer
PkDeveloper Agency develops and maintains the website and mobile app with a focus on clear navigation, useful learning paths, accessibility, and dependable product improvements.
User-Centered Design
Traditional visual cues are paired with readable layouts and familiar controls so newcomers and returning readers can find their way around.
Transparent Content Status
Current website hexagram summaries are introductory and under review. They are being improved and should not be treated as a definitive scholarly edition.
Continuous Improvement
The project evolves through practical product work: reviewing content, refining accessibility, improving app compatibility, and making each learning path easier to use.
App Store and Google Play
Get the Free I Ching App
The free, ad-supported app includes all 64 hexagrams, a guided consultation flow, locally stored reading history, and selected content available offline. No account is required.
Entirely optional
Support the Project
Optional contributions help with hosting, maintenance, app development, and content improvement. Contributing does not change access to the website or app.
Learn how contributions support the projectQuestions and feedback
Contact PkDeveloper Agency
Send a question, report a problem, or suggest an improvement. Please do not include sensitive personal information.