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Yunvia Terms of Service

Updated: 28 October 2026

These terms govern your use of Yunvia and its supporting services, operated by 上海甲木参天科技有限公司 (“we”, “us”). Please read them together with our Privacy Policy before using the service, especially the provisions on personal data, AI content, coins and account deletion.

Please understand: Yunvia offers BaZi, daily guidance, compatibility, I Ching readings and AI interpretations as traditional cultural experiences. They are not scientific predictions or guarantees, and do not replace medical, legal or investment advice. Purchases and subscriptions are processed through Google Play after your confirmation.

1. Services and their limits

You can create birth profiles, view charts and daily guidance, link profiles into relationships, read reports or saved guidance, and discuss profiles, relationships, reports, guidance or readings with AI. Some calculations run on your device; other features use our servers and third-party AI services. The Privacy Policy explains the data involved.

Birth time, time zone and birthplace affect calculations. Check your entries and do not present unknown details as certain. Scores and interpretations describe results under particular traditional rules or models; they do not establish facts about a person's abilities, character, health, relationships or future.

For health, safety, significant financial or legal matters, consider real circumstances and seek suitable professional assistance. You may reject any suggestion. Do not use compatibility, guidance or AI replies as the sole basis for major decisions, discrimination, threats or control over another person.

2. Accounts and guest data

The current version supports email verification codes, email/password sign-in and Google sign-in where available. Use an email address or third-party account you are entitled to use. Protect your credentials and device. Do not sell or lend accounts, maliciously register accounts, attempt other people's passwords or bypass access restrictions.

Some guest profiles and readings are stored on the current device. When you sign in, existing guest data may be uploaded and associated with the signed-in account during synchronization. Check the account and ensure you own the data or have permission to submit it.

If you suspect account misuse, stop sharing credentials and contact the operator. You can manage your password or request account deletion under Me → Account settings. Account entitlements are determined by verified server records.

3. Your submissions and other people's data

You retain your existing rights in content you lawfully submit. We process it as needed for the storage, synchronization, calculations, analysis and conversations you request. This does not give us unrestricted rights to publish, sell or use personal data for unrelated purposes.

Before creating profiles or relationships for partners, friends, colleagues or other people, obtain the necessary permission and explain that their information may be calculated, stored and used in the AI features you choose. You may use a nickname. Do not submit identity documents, bank details, home addresses, medical records or other private material unrelated to the requested feature.

Before copying, taking screenshots or sharing a report or conversation, check for other people's birth data, relationship information or other personal data and obtain any necessary permission.

4. AI content

AI replies, reports, guidance and interpretations can be wrong, incomplete, inconsistent or unsuited to your circumstances. Paying or spending coins does not make the output reliable or guarantee a real-world outcome.

When you request AI features, relevant profiles, calculated information, questions and necessary history are provided to the model. Conversations may retrieve your account's existing relationships, reports or guidance to answer your question; this does not authorize access to another account's private information.

Do not present generated content as professional diagnosis, an official certificate, another person's actual statement or an established fact. Preserve required AI disclosures when sharing it. You may stop using an inappropriate reply and report it to the operator.

5. Coins, memberships and payments

Available coin grants, redemption codes, generation features and usage deductions operate according to their actual rules. The relevant cost is displayed before a coin-consuming action; check the selected profile, content and balance before confirming. Coins are usable only for supported Yunvia features, are not money or an investment, and cannot be withdrawn or traded outside the service.

For generation failures, duplicate deductions or missing entitlements, provide your account and operation time so records can be checked. We should correct erroneous deductions attributable to us. Disliking successfully delivered content does not automatically entitle you to a coin refund; applicable law and express product commitments remain unaffected.

Purchases use Google Play Billing. Review the price, billing period, benefits and trial terms shown before confirming. Subscriptions renew automatically unless canceled; any trial converts to the stated paid plan unless canceled in time. Cancel through the membership card in the app store page or Google Play subscription management. Cancellation stops future renewal and normally preserves benefits until expiry. Deleting a Yunvia account does not itself cancel a Google Play subscription; cancel it separately to prevent further charges. Refund eligibility follows Google Play rules and applicable law; contact support for purchase problems. No payment is authorized by these terms alone.

6. Acceptable use

Do not use Yunvia for fraud, impersonation, intimidation, harassment, privacy violations, discrimination or unlawful transactions, or to pressure others into spending money, receiving treatment or investing on the basis of divination. Do not attack the service, steal accounts, access unauthorized data, maliciously consume resources or bypass coin and permission checks.

For unlawful conduct or serious security risks, we may warn, restrict relevant actions or suspend service, and handle complaints or retain necessary evidence as required by law. Measures should be proportionate, and you may provide an explanation if you believe a decision is mistaken.

7. Third parties and intellectual property

Google sign-in, verification emails and AI services involve the providers listed in the Privacy Policy. Their services may be interrupted or change; we will provide reasonable assistance without excluding responsibilities imposed on us by law.

Our software, interface, branding and materials in which we hold rights are protected by applicable law. Use them through the functions provided; do not unlawfully resell or impersonate our brand. AI output may not be unique, and we do not guarantee exclusive intellectual property rights in every output.

8. Signing out and deleting data

Signing out ends the current login session; it does not delete server data. Each deletion action has its own scope. Deleting a relationship does not delete the two profiles, and historical conversations, generated content or operational records may remain after the linked item is deleted. Manage remaining content separately.

You can request deletion through Me → Account settings → Delete account after email verification. This removes the account, corresponding business data, login credentials and coin entitlements and cannot be undone. Resolve any data or entitlement matters before confirming. The Privacy Policy explains separately retained records, logs and local caches.

For email-based deletion of your account and associated data, see Account and data deletion.

9. Changes and responsibility

We will reasonably maintain the service, but networks, devices, model limitations and maintenance can cause interruption or delay. Significant changes affecting existing features or entitlements, and closure of the service, should be communicated appropriately and handled in accordance with law.

Each party is responsible according to applicable law and its fault. Statements about reference-only content or technical limitations do not exclude liability that cannot lawfully be excluded, including liability for intentional misconduct, gross negligence, unlawful personal-data processing or violations of mandatory consumer rights.

10. Minors

The service is primarily intended for adults. Minors should use it with a guardian's knowledge and guidance, and should not rely on divination or AI for important life decisions. Children under fourteen should not register or submit personal data independently. Processing children's data requires the necessary guardian authorization and compliance with applicable special protections.

11. Updates and disputes

We may update these terms as the service or law changes. Significant changes should receive prominent notice, and renewed consent should be obtained where required. Updates should not retroactively deprive you of legally acquired rights.

The laws of the People's Republic of China apply, without overriding mandatory protections available to you. Parties may first seek an amicable solution; unresolved disputes may be brought before a court with lawful jurisdiction. An invalid provision does not invalidate the remaining lawful provisions.

12. Contact

Operator: 上海甲木参天科技有限公司. The Chinese name is the operator's legal name.

Privacy and customer support: support@yunvia.si. Describe your request and account email; do not send passwords, verification codes or complete payment details.