Privacy Policy

Last updated: 16 October 2026 · Effective date: 9 October 2026

This Privacy Policy explains how Sun AI ("we", "us", "our") collects, uses, shares, and protects your information when you use the Sun AI mobile application for iOS and Android, a nd related services (the "Service").

Sun AI is operated by Sunapax Limited, located in Rm 5003, 5/F, Yau Lee Centre, 45 Hoi Yuen Road, Kwun Tong, Hong Kong. If you do not agree with this policy, please do not use the Service.

1. Who This Policy Applies To

This policy applies to all users of Sun AI globally on iOS and Android platforms. Depending on your location, you may have specific rights under laws such as Vietnam's Decree 13/2023/ND-CP on Personal Data Protection, the EU/EEA and UK General Data Protection Regulation (GDPR), the California Consumer Privacy Act (CCPA/CPRA), and other applicable privacy regulations. Sections 9 and 10 describe these regional rights.

2. Information We Collect

We collect only the minimum necessary information required to deliver, secure, and improve the Service:

CategoryExamplesWhy We Collect It
Account InformationName, email address, and unique user identifier provided when signing in via Google, Sign in with Apple, or emailTo authenticate your identity, secure your account across iOS and Android devices, and store your preferences
Location DataPrecise or approximate GPS coordinates (only when permitted via iOS/Android system prompt) or user-searched locationsTo deliver real-time local weather forecasts, UV index, air quality metrics, and the best hours to be outside
AI Assistant ContentYour questions and chat history, together with the weather context sent with each question: the place name you are viewing, its approximate coordinates, and conditions such as temperature, UV index and air quality at that momentTo generate answers grounded in real conditions, and to let you revisit past conversations
Usage & DiagnosticsApp version, device model, OS version, language preference, crash logs, and anonymized performance metricsTo monitor performance, fix bugs, enhance UI/UX, and ensure system stability

Financial Data: We do not store or directly process payment card details. In-app purchases or subscriptions are handled strictly through Apple App Store (In-App Purchases) or Google Play Billing.

Analytics & Advertising Measurement

We use third-party tools to understand how the app is used and to measure whether our advertising reaches the right people. These tools receive:

3. How We Use Your Information

4. Legal Bases for Processing (GDPR & Regional Laws)

We process personal data under the following legal frameworks:

5. How We Share Information

We do not sell or rent your personal data to third parties or data brokers. We share data solely with trusted third-party service providers bound by strict confidentiality obligations:

6. Deleting Your Data

We retain your personal data only for as long as necessary to fulfill the operational purposes set forth in this policy. You have full control over your data:

7. How Long We Keep It

8. Data Security

We employ modern industry standards to safeguard your information, including Transport Layer Security (TLS/SSL) for all data in transit and AES-256 encryption at rest for sensitive account identifiers. While we take comprehensive precautions, no transmission over the internet can be guaranteed 100% secure.

9. Children's Privacy

Sun AI is not directed toward children under the age of 13 (or under 16 in certain jurisdictions). We do not knowingly collect personal information from children. If we discover a minor has provided us with personal data, we will remove it immediately.

10. Regional Rights

European Union / EEA & UK (GDPR)

Users in the EU/EEA and UK possess rights to data access, rectification, erasure, restriction, data portability, and the right to lodge a complaint with a national Data Protection Authority.

California Residents (CCPA / CPRA)

California residents have rights to know what categories of personal data are collected, request deletion, and opt out of any potential data sharing. We do not sell personal data.

11. Third-Party Integrations & Permissions

Sun AI requests only system permissions strictly required for features to work:

12. Where Weather Data Comes From

Forecasts, UV readings and air quality figures in Sun AI come from Open-Meteo, which aggregates open data published by national weather services. Air quality data originates from the Copernicus Atmosphere Monitoring Service (CAMS).

This data is licensed under Attribution 4.0 International (CC BY 4.0). We present it as received and do not verify it independently. Forecasts are predictions and can be wrong.

Place search and address lookup use Apple MapKit on iOS, which operates under Apple's own privacy terms.

13. Environmental Contributions

A share of our subscription revenue supports tree-planting and other environmental projects. To make this verifiable we keep a record of each contribution linked to your account, including the amount, the date and the project it was assigned to.

Sun AI supports tree-planting projects through donations to eligible environmental organisations. The specific organisation and planting project may vary.

14. Changes to This Privacy Policy

We may update this policy periodically to reflect changes in legal requirements or app features. Updated versions will be posted here with a revised "Last updated" date. Material changes will be communicated via in-app notifications where appropriate.

15. Contact Us

For any questions, feedback, or data privacy requests, please contact us at:

Entity: Sunapax Limited
Email: [email protected]
Location: Rm 5003, 5/F, Yau Lee Centre, 45 Hoi Yuen Road, Kwun Tong, Hong Kong