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Privacy Policy

Last updated: March 20, 2026

This Privacy Policy explains how Wei Wenxin ("Developer", "we", "us") collects, uses, and protects your information when you use the MofuArt (もふアート) mobile application ("App"). We are committed to protecting your privacy and handling your data transparently.

1. Information We Collect

Data TypePurposeStorage
Photos you uploadAI-powered pet art generationNot stored — processed in real time and immediately discarded
Generated artworkDisplayed in-app for you to saveStored only on your device
Usage dataEnforce generation limits and credit balanceOn-device only (UserDefaults)
Credit purchase historyManage consumable credit packsManaged by Apple (StoreKit 2)
Advertising identifierServe banner ads and rewarded adsManaged by Google AdMob

We do NOT collect: your name, email address, phone number, location data, contacts, or any other personally identifiable information beyond what is listed above.

2. How We Use Your Photos

When you upload a pet photo, it is:

  1. Compressed and resized on your device
  2. Transmitted via HTTPS to our secure backend server (hosted on Google Cloud Platform, Tokyo region)
  3. Forwarded to Google's Gemini API for AI-powered art generation in your selected style (e.g., Ukiyo-e, Watercolor, Oil Painting, Anime, etc.)
  4. The generated artwork is returned to you and the original photo is immediately discarded

We do not store, log, or retain your photos on our servers. Photos exist in server memory only during the brief processing period (typically under 30 seconds).

3. Third-Party Services

We share data with the following third-party services. Each service processes data in accordance with its own privacy policy:

ServiceProviderData SharedPurpose
Gemini APIGoogle LLCYour uploaded photo + text promptAI art generation
AdMobGoogle LLCAdvertising identifier, device infoDisplay banner ads and rewarded ads
StoreKit 2Apple Inc.In-app purchase transaction dataCredit pack purchases

By using this App, you acknowledge and consent to the transmission of your photos to Google's Gemini API for the purpose of AI-powered art generation. Google processes this data in accordance with Google's Privacy Policy.

4. Data Security

5. Data Retention

6. Your Rights

You have the right to:

7. Children's Privacy

This App is not directed at children under the age of 13 (or the applicable age of consent in your jurisdiction). We do not knowingly collect personal information from children.

8. Regional Compliance

Japan (Act on Protection of Personal Information — APPI)

We process pet photographs only with your explicit consent (by uploading a photo). Photos are not stored or used for any purpose other than generating your pet art.

European Economic Area (GDPR)

If you are located in the EEA, UK, or Switzerland, our legal basis for processing your photos is your explicit consent. You may withdraw consent at any time by ceasing to use the App.

9. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated revision date. Continued use of the App after changes constitutes acceptance of the revised policy.

10. Contact Us

If you have any questions about this Privacy Policy, please contact:

Wei Wenxin
Email: nexuswei.dev@gmail.com