Cast the ancient Book of Changes with the authentic three-coin method. All 64 hexagrams with full interpretations.
What You Get
Authentic three-coin casting method
All 64 hexagrams with full interpretations
Changing lines for dynamic readings
Judgment and image text for each hexagram
Real-time random entropy generation
Free Online Tool — Try it now
Free Web Tool vs Premium Android App
Feature
Free Web
Premium App
Three-coin casting
✓
✓
64 hexagrams with interpretations
✓
✓
Changing lines & transformed hexagrams
✓
✓
Works offline
✗
✓
Reading history & journal
✗
✓
Multiple casting methods (coin, yarrow)
✗
✓
Bookmark & tag readings
✗
✓
No ads, no tracking
✓
✓
Price
Free
$3.99Limited time
"I started with the free web version to learn the three-coin method. The app is incredible — having the full I Ching library offline changed my practice completely. Best $4 I've spent on my spiritual path."
— Marcus R., verified purchaser
Free vs Premium: What You Need to Know
Is the free web tool fully functional?
Yes! The free web tool gives you the complete three-coin casting method with all 64 hexagrams. It's perfect for learning and occasional use. The premium app adds offline access, reading history, and advanced features for serious practitioners.
What happens if I buy the app and don't like it?
All our apps come with Google Play's 48-hour refund policy. If it's not right for you, request a full refund — no questions asked.
Does the app need internet?
No. The premium Android app works 100% offline. No internet required, no data collected, no account needed.
Is this a subscription?
No. One-time payment of $3.99. You own the app forever. No hidden fees, no recurring charges.
Take It Offline with the Premium Android App
This free web tool gives you a taste of the full I Ching Oracle Android app. The premium version adds offline access, reading history, journaling, multiple casting methods, and customizable interpretations.