Terms of Service

Last Updated: February 2026

1. Agreement to Terms

By accessing and using the I Ching Explorer service ("Service"), you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use this Service.

2. Description of Service

I Ching Explorer is a web application that provides:

  • Access to the 64 hexagrams and 8 trigrams of the I Ching
  • I Ching reading generation using coin and yarrow throwing methods
  • User account management with subscription tiers
  • Reading history and profile customization

3. Nature of Service

I Ching Explorer is an educational and personal reflection tool based on the I Ching (Book of Changes), an ancient Chinese philosophical text with over 3,000 years of history. The Service provides a digital means of studying and interacting with this classical text.

Readings generated by this Service are produced using mathematically modeled randomization methods (coin toss and yarrow stalk simulations) and paired with historical translations of the I Ching text. They are intended for personal reflection, study, and entertainment purposes only.

The Service does not provide and should not be used as a substitute for:

  • Professional medical, psychological, or mental health advice
  • Legal counsel or financial advice
  • Crisis intervention or emergency services

If you are in crisis, please contact emergency services or a qualified professional.

4. User Accounts

4.1 Registration

You may create an account to use the Service. You are responsible for maintaining the confidentiality of your password and account information. You agree to accept responsibility for all activities that occur under your account.

4.2 Account Eligibility

You must be at least 13 years old to create an account. If you are under 18, you may use the Service only with permission and supervision of a parent or guardian.

4.3 Account Termination

We reserve the right to suspend or terminate any account that violates these Terms of Service or engages in prohibited behavior.

5. User Conduct

You agree not to:

  • Use the Service for any illegal purpose or in violation of any applicable laws
  • Attempt to gain unauthorized access to the Service or its systems
  • Harass, threaten, or defame other users
  • Upload viruses, malware, or any code intended to harm the Service
  • Reverse engineer, decompile, or attempt to discover source code
  • Use automated tools (bots, scrapers) to access the Service without permission
  • Spam or send unsolicited communications through the Service

6. Subscription and Payments

6.1 Free and Paid Tiers

The Service offers both free and paid subscription tiers with different features and limitations. Your tier determines your daily reading limit and access to certain features.

6.2 Billing

Paid subscriptions are billed through our third-party payment processor. By purchasing a subscription, you authorize us to charge your payment method. All sales are final. Refunds may be issued at our sole discretion within 7 days of purchase only in cases of technical issues preventing service access.

6.3 Subscription Cancellation

You may cancel your subscription at any time through your profile settings. Cancellation takes effect at the end of your current billing period. No refunds are provided for partial months.

7. Intellectual Property

All content, features, and functionality of the Service, including but not limited to software, designs, and text, are the exclusive property of I Ching Explorer or its content suppliers and are protected by copyright, trademark, and other intellectual property laws.

You are granted a limited, non-exclusive, non-transferable license to use the Service for personal, non-commercial purposes. You may not:

  • Reproduce or distribute any content without permission
  • Modify or create derivative works
  • Use content for commercial purposes

8. Reading Quota and Limitations

The Service enforces daily reading limits based on your subscription tier:

  • Free Tier: Limited daily readings
  • Basic Tier: Higher daily reading allowance

These limits are enforced to ensure fair usage and service stability. Attempting to circumvent these limits may result in account suspension.

9. Disclaimer of Warranties

THE SERVICE IS PROVIDED "AS IS" AND "AS AVAILABLE" WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED. WE DISCLAIM ALL WARRANTIES INCLUDING BUT NOT LIMITED TO MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT.

We do not guarantee that:

  • The Service will be uninterrupted or error-free
  • Any defects will be corrected
  • The Service will meet your expectations

10. Limitation of Liability

TO THE MAXIMUM EXTENT PERMITTED BY LAW, WE SHALL NOT BE LIABLE FOR ANY INDIRECT, INCIDENTAL, SPECIAL, CONSEQUENTIAL, OR PUNITIVE DAMAGES, OR ANY LOSS OF PROFITS, REVENUE, DATA, OR USE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Our total liability for any claim shall not exceed the amount you paid for the Service in the past 12 months, or $100, whichever is less.

11. Indemnification

You agree to indemnify and hold harmless I Ching Explorer and its officers, directors, employees, and agents from any claims, damages, losses, or expenses arising from:

  • Your use of the Service
  • Your violation of these Terms
  • Your infringement of any third-party rights

12. External Links

The Service may contain links to external websites. We are not responsible for the content, accuracy, or practices of external sites. Your use of external links is at your own risk.

13. Changes to Terms

We reserve the right to modify these Terms of Service at any time. Changes become effective when posted. Your continued use of the Service after changes constitutes acceptance of the new terms.

14. Governing Law

These Terms of Service are governed by and construed in accordance with the laws of the State of Washington, United States, and you irrevocably submit to the exclusive jurisdiction of the courts in King County, Washington.

15. Dispute Resolution

Any disputes arising out of or relating to these Terms or the Service shall be resolved in the state or federal courts located in King County, Washington. You agree to submit to the personal jurisdiction of such courts.

16. Contact Information

If you have questions about these Terms of Service, please contact us:

  • Email: bobby@21kworlds.earth
  • Mail: 12543 39th Ave NE, Seattle, WA 98125
  • Through the Service's support channels
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