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Luo Shu (Tử Vi)

Terms of Service

Version
1.0.0
Last updated
07 Nov 2026
Contact
contact@ryleth.dev

Last updated: 7 November 2026

This English document is a translation of the Vietnamese original. Where the two differ, the Vietnamese version governs.

Welcome to Luo Shu (Tử Vi). By downloading, installing, accessing, or using this application, you agree to be bound by these Terms of Service. If you do not agree to these terms, please do not use or access the App.

1. License to Use

We grant you a personal, non-exclusive, non-transferable, revocable license to download, install, and use Luo Shu (Tử Vi) for personal, cultural, and non-commercial educational reference in accordance with these Terms.

2. Intellectual Property Rights

  • Software Code & Design Assets: All application source code, computational algorithms, star placement logic, user interface designs, typography layouts, icons, brand marks, and the Ryleth symbol are the proprietary intellectual property of Ryleth Dev.
  • User Content: You retain all rights and ownership over any personal birth details, chart configurations, and notes you create within the App. We claim no ownership over your personal data.

3. AI Services and Consumable Coins

3.1. Nature of Consumable Coins

The App offers virtual consumable coin packs available for purchase through the Apple App Store or Google Play Store In-App Purchase systems. Coins are internal virtual utility units used exclusively within the App to unlock specialized interpretations from the AI Assistant.

3.2. Non-Refundable Policy

  • Per architectural design decision ADR-0038, virtual coin packs are consumable digital goods. They hold no cash value, cannot be redeemed for fiat currency outside the App, and are strictly non-refundable once a purchase transaction has been completed, except where required by applicable consumer protection laws or store policies (Apple App Store / Google Play Store).
  • If you voluntarily delete your account or if your account is terminated due to a breach of these Terms, any remaining unused coin balance is forfeited permanently and cannot be refunded or restored.

3.3. AI Assistant Availability

AI interpretations are delivered through cloud infrastructure and large language models (LLMs). While we strive for high service availability and rapid response times, AI features may experience temporary delays or disruptions due to scheduled maintenance, third-party network outages, or capacity constraints.

4. Important Disclaimers

4.1. Cultural, Spiritual, and Advisory Reference Only

All Tử Vi charts, star placements, palaces, cyclical periods, and astrological interpretations provided by Luo Shu (including both algorithmic calculations and AI Assistant responses) are intended solely for personal advisory, cultural exploration, historical Eastern studies, and spiritual or entertainment reference.

4.2. Not Professional Advice

The content and recommendations generated by the App DO NOT CONSTITUTE AND MUST NEVER REPLACE professional, licensed advice, including but not limited to:

  • Medical & Health Advice: Never use the App to self-diagnose, treat illnesses, or substitute for the guidance of certified healthcare professionals.
  • Financial & Investment Advice: Never base decisions regarding securities, real estate, personal debt, or financial investments on the App’s astrological interpretations.
  • Legal Advice: The App does not provide legal consultation or opinions of any kind.

You assume sole and independent responsibility for all life decisions, actions, and consequences. Ryleth Dev and its developers disclaim any and all liability for direct, indirect, incidental, or consequential damages resulting from your use of or reliance on the App.

5. Acceptable Use and Prohibited Activities

You agree not to:

  • Reverse engineer, decompile, disassemble, or attempt to extract source code or proprietary algorithms from the App.
  • Tamper with, manipulate, or exploit vulnerabilities in the coin balance system or in-app purchase verification pipelines.
  • Use the AI Assistant to generate or disseminate unlawful, abusive, harassing, defamatory, fraudulent, or harmful content.
  • Interfere with or overburden backend servers through automated scraping, denial-of-service attempts, or unauthorized API calls.

6. Termination

We reserve the right to suspend or terminate your account and access to the App without prior notice if you violate these Terms or engage in activities that compromise service security.

7. Modifications to Terms

We may revise these Terms of Service periodically to reflect product updates or legal developments. Continued use of the App following any changes constitutes your acceptance of the revised Terms.

8. Contact Information

If you have any questions or support inquiries regarding these Terms, please contact: