Privacy Policy

Last Updated: March 2026

Shanghai Hotidea Technology Co., Ltd. ("we," "us," or "our") operates the Coloring Page mobile application (the "App"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our App.

Please read this Privacy Policy carefully. By using the App, you consent to the practices described in this policy.

1. Information We Collect

1.1 Information You Provide

• Account Information: When you register through the App, you provide your device ID. Optionally, you may provide an email address.
• Uploaded Images: When you use our line art generation or colorization features, you upload images to our servers for processing.
• Subscription and Purchase Information: We collect information related to your purchases and subscriptions through RevenueCat, our payment processor.

1.2 Automatically Collected Information

• Device Information: We collect your device type, operating system version, and unique device identifiers.
• Usage Data: We may collect basic usage statistics such as feature usage and interaction patterns.
• Push Notification Token: If you enable push notifications, we collect your device token for delivering notifications.

2. How We Use Your Information

We use the information we collect for the following purposes:

• To provide, maintain, and improve our services
• To process your images and generate line art or colorized versions
• To manage your account and subscription status
• To track usage of credits and process transactions
• To send you service-related notifications (with your consent)
• To detect, prevent, and address technical issues or fraud

3. Information Storage and Security

3.1 Data Storage

• Your uploaded images are stored on Cloudflare R2 storage services.
• Account and subscription data are stored in databases provided by Supabase.
• We retain your personal information for as long as your account is active or as needed to provide services.

3.2 Security Measures

We implement appropriate technical and organizational measures to protect your personal information, including:

• Encryption of data in transit using HTTPS
• Access controls and authentication requirements
• Regular security assessments

However, no method of transmission over the Internet or electronic storage is 100% secure. We cannot guarantee absolute security.

4. Information Sharing and Disclosure

We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:

• Service Providers: We may share information with trusted service providers who assist us in operating our App, conducting our business, or servicing you (e.g., payment processors, cloud storage providers), as long as those parties agree to keep this information confidential.
• Legal Requirements: We may disclose your information if required to do so by law or in response to valid requests by public authorities.
• Business Transfers: In the event of a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction.

5. Your Rights

Depending on your location, you may have certain rights regarding your personal information:

• Access: You may request access to the personal information we hold about you.
• Correction: You may request that we correct inaccurate or incomplete information.
• Deletion: You may request that we delete your personal information, subject to certain exceptions.
• Objection: You may object to our processing of your personal information in certain circumstances.

To exercise these rights, please contact us using the information provided in the "Contact Us" section below.

6. Children's Privacy

Our App is not intended for children under the age of 13 (or the applicable age of consent in your jurisdiction). We do not knowingly collect personal information from children under the applicable age. If we learn that we have collected personal information from a child under the applicable age without parental consent, we will take steps to delete that information as soon as possible.

7. International Data Transfers

If you are located outside mainland China, please note that your information may be transferred to and processed in countries with different data protection laws. By using our App and providing your information, you consent to such transfers.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. You are advised to review this Privacy Policy periodically for any changes.

9. Contact Us

If you have any questions about this Privacy Policy or our data practices, please contact us at:

Shanghai Hotidea Technology Co., Ltd.
Email: [email protected]

This Privacy Policy was last updated in March 2026.