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Privacy Policy

This policy describes how MooSaju handles personal data as the service is currently built. MooSaju has not launched yet; parts marked “To be confirmed” are under legal review.

1. Who is responsible

QUYO (Republic of Korea) — see Business information. Contact: support@quyo.kr.

2. Data we collect

Account (LINE or Google sign-in)Account identifier, display name and profile picture provided by LINE or Google; email address if the provider shares it (LINE may not).
Birth profilesName or nickname you enter, relationship label, birth date, calendar type (solar/lunar, leap month), birth time or “unknown”, birthplace (country/city and optional detail), and the optional calculation basis you choose for ten-year cycles.
Reading requestsSelected topic and the questions or situation you write.
ResultsSaju calculation results, the Thai reading text, follow-up questions and answers.
Lucky cardsCard purpose, optional short note, optional name to print on the card, the birth details used for the card’s calculation, colour/number/design data, and the card image.
PurchasesProduct, amount, status and when it was used. Card numbers are not handled by MooSaju (payments are not enabled yet).
Stored in your browserSign-in session, cached profiles and reading list, and your page preferences, using local storage.

3. Why we use it

4. Who processes your data

SupabaseDatabase, sign-in and file storage for profiles, readings, chats, cards and images. Project region: EU North (Stockholm, Sweden).
VercelWebsite hosting and server functions.
Korean Saju calculation API (SAZU)Receives birth date, birth time (if known), calendar type and birthplace city, and whether a ten-year-cycle basis is used. It does not receive your name or questions. Server location: To be confirmed.
OpenAIReadings and answers: receives the calculation results, the topic, your questions/situation text, and earlier answers for follow-ups. It does not receive your name. Card images: receives only visual design instructions (colours, symbol, ornaments); it does not receive your name, birth date, note or questions. Requests are sent with storage disabled where the API allows.
LINE / GoogleSign-in only.
Payment providerNone yet. Will be listed here before payments are enabled.

5. International transfers

QUYO operates from the Republic of Korea. Data is stored in the European Union (Sweden) and is processed by service providers that may be located in the United States and other countries. We use these providers only to deliver the service described above.

6. How long we keep data

7. Your choices and rights

8. Children

MooSaju is not intended for children. The minimum age and any parental-consent process are To be confirmed.

9. Changes

We will post updates on this page and show the date of the latest version.

Last updated: October 30, 2026