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Privacy policy

Last Updated: Feb 20, 2026

Thank you for using Grafia (referred to as "we," "us," or "our"). This application is developed and operated by Shanghai Yingsu Technology Co., Ltd. Your privacy is important to us. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our service.

1. Information We Collect

  • To provide and improve our services, we may collect the following types of information:
  • Information You Provide: When you register or use the App, you are required to fill in the following information to create a profile: Avatar, ID Name (Username), and Nickname.
  • Apple ID Information: We offer "Sign in with Apple" as the sole login method. When you use this feature, we receive your Apple ID identifier from Apple. Depending on your Apple ID settings, we may or may not receive your real name and email address. We do not have access to your Apple ID password.
  • Photo Content: To provide core services (uploading, browsing, creating shared albums), we collect the photos you actively upload. These photos are stored on servers provided by our third-party service provider, Cloudflare.
  • Usage Data: We may automatically collect information about your interactions with the App, such as photos you view, friends you add, and feature usage frequency, to optimize user experience.

2. How We Use Your Information

We use the collected information for the following purposes:

  • To create and manage your account;
  • To store, process, and display the photos you upload;
  • To allow you to create shared albums and share photos with friends you have added;
  • To display photos shared by others with you;
  • To maintain and improve our services;
  • To comply with legal obligations.

3. Data Storage and Third-Party Services

  • Storage Location: Your photos are stored on Cloudflare's global servers. Specific storage locations may be in Europe or the United States to ensure access speed.
  • Data Transfers: We use industry-standard security measures to protect data during transmission.
  • Third-Party Processors: Cloudflare acts as our data processor. Their data handling practices are governed by their own privacy policy, but we ensure our data processing agreements with them comply with privacy standards in Europe and the US.

4. Data Security

We implement reasonable technical and organizational measures to protect your personal information from unauthorized access, disclosure, alteration, or destruction. However, no method of transmission over the Internet is 100% secure.

5. Your Rights

  • In accordance with regulations such as the GDPR and CCPA, you have the following rights:
  • Right to Access: Request a copy of the personal data we hold about you.
  • Right to Rectification: Correct inaccurate personal information.
  • Right to Deletion (Right to be Forgotten): Request the deletion of your account and associated photo data.
  • Right to Withdraw Consent: You may withdraw consent by deleting the app or contacting us.
  • Right to Data Portability: Request a structured copy of the personal data you have provided.

To exercise these rights, please contact us using the information below.

6. Children's Privacy

Our service is not directed to individuals under the age of 13. We do not knowingly collect personal information from children.

7. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. Any changes will be posted within the App, and the "Last Updated" date will be revised.

8. Contact Us

  • If you have questions about this Privacy Policy or wish to exercise your data protection rights, please contact us at:
  • Company Name: Shanghai Yingsu Technology Co., Ltd.
  • Email: hello@yingsu.link

© 2025 Shanghai Yingsu Technology Co., Ltd. All rights reserved.

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