Privacy Policy

Effective Date: January 15, 2025

Chang Catalogue ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application.

1. Information We Collect

1.1 Information You Provide

• Inquiry Information: When you submit an inquiry through our app, we collect your name, email address, phone number, and the details of your inquiry.
• Favorites and Preferences: We store your favorited patterns and viewing preferences to enhance your browsing experience.

1.2 Information Collected Automatically

• Device Information: We collect information about your device, including device type, operating system version, and unique device identifiers.
• Usage Data: We collect information about how you interact with our app, including patterns viewed, search queries, and features used.
• Analytics Data: We use Firebase Analytics to collect anonymous usage statistics to improve our app performance and user experience.

2. How We Use Your Information

We use the information we collect to:

• Process and respond to your inquiries
• Synchronize your favorites across devices
• Improve and optimize our app's functionality
• Provide customer support
• Send you updates about your inquiries
• Analyze usage patterns to enhance user experience
• Comply with legal obligations

3. Data Storage and Security

3.1 Firebase Services

We use Google Firebase services for:

• Authentication: Anonymous authentication to sync your favorites
• Firestore Database: To store pattern data and user preferences
• Firebase Storage: To host pattern images
• Firebase Analytics: To understand app usage patterns

3.2 Local Storage

Some data is stored locally on your device using SwiftData for offline access and improved performance.

3.3 Security Measures

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction.

4. Data 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: With trusted third-party service providers who assist us in operating our app (e.g., Firebase, Formspree for inquiry processing)
• Legal Requirements: When required by law or to respond to legal process
• Business Transfers: In connection with a merger, acquisition, or sale of assets
• Protection of Rights: To protect our rights, property, or safety, or that of our users or others

5. Third-Party Services

Our app uses the following third-party services:

• Google Firebase: For backend services and analytics. View their privacy policy at firebase.google.com/support/privacy
• Formspree: For processing inquiry forms. View their privacy policy at formspree.io/legal/privacy-policy

6. Data Retention

We retain your personal information for as long as necessary to provide you with our services and as required by applicable laws. Anonymous usage data may be retained indefinitely for analytical purposes.

7. Your Rights and Choices

You have the right to:

• Access the personal information we hold about you
• Request correction of inaccurate information
• Request deletion of your personal information
• Opt-out of certain data collection through your device settings
• Clear your favorites and preferences within the app

8. Children's Privacy

Our app is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If you believe we have collected information from a child under 13, please contact us immediately.

9. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that are different from the laws of your country.

10. 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 "Effective Date" at the top.

11. Contact Us