Privacy Policy

Last Updated: December 18, 2023

This Privacy Policy describes how Andy Cao ("we," "us," or "our") collects, uses, and shares your information when you use our mobile applications, websites, and other services (collectively, the "Services").

Information We Collect

Information You Provide to Us

  • Email address (when you contact us or participate in surveys)
  • User feedback and survey responses
  • Customer support communications

Face Image Data

We take your privacy seriously. When you upload a photo to use our app, here's how we handle your face image data:

  • Temporary Use Only: Uploaded images are only used temporarily for the sole purpose of the app feature through our AI partners (such as Google Gemini or OpenAI).

  • No Permanent Storage: Your image is not stored permanently on our servers. It is automatically deleted shortly after the processing is completed.

  • No Third-Party Sharing: We do not share your face image data with any third-party companies for marketing, analytics, or any other purposes. The image is only sent to the AI service provider strictly for processing.

  • No Face Recognition or Tracking: We do not perform or store any facial recognition, analysis, or tracking of your image.

Information Collected Automatically

We automatically collect certain information when you use our Services:

  • Device information (model, operating system version, unique device identifiers)
  • IP address and location data (country and city level only, collected only for specific features with your explicit consent)
  • App usage data and interaction metrics
  • Performance and diagnostic data
  • Crash reports

Third-Party Services

Our Services integrate with third-party services including:

  • Firebase (Analytics and Crash Reporting)
  • Google Analytics (Analytics)
  • Microsoft Clarity (Analytics)
  • OpenAI (AI Services)
  • Google Gemini (AI Services)
  • Admob (Ads)

Each third-party service's data collection is governed by their respective privacy policies.

How We Use Your Information

We use the collected information to:

  • Provide and improve our Services
  • Respond to your requests and support needs
  • Analyze app performance and user behavior
  • Detect and prevent fraud and abuse
  • Send important notices and updates
  • Comply with legal obligations

Data Storage and Security

We implement appropriate technical and organizational measures to protect your information. Data is stored securely using industry-standard encryption and security practices.

Children's Privacy

Our Services are not directed to children under 13 (or under 16 in the European Economic Area). We do not knowingly collect personal information from children. If you believe we have inadvertently collected information from a child, please contact us to have it removed.

Your Privacy Rights

Depending on your location, you may have rights to:

  • Access your personal information
  • Correct inaccurate data
  • Delete your data
  • Object to or restrict processing
  • Data portability
  • Withdraw consent

To exercise these rights, contact us at eingzone@126.com.

International Data Transfers

Your information may be transferred to and processed in countries other than your own. We ensure appropriate safeguards are in place for such transfers.

Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of any material changes through our Services or via email.

California Privacy Rights

California residents have additional rights under the California Consumer Privacy Act (CCPA), including the right to know what personal information is collected and shared.

Contact Us

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

Andy Cao Email: eingzone@126.com

App Store Specific Information

  • Our apps do not collect precise location data
  • All data collection is optional and not required for basic app functionality
  • Users can opt-out of analytics collection through device settings
  • Data is never sold to third parties
  • All third-party service providers are contractually bound to protect user privacy

This Privacy Policy complies with:

  • Apple App Store Privacy Guidelines
  • Google Play Store User Data Policy
  • General Data Protection Regulation (GDPR)
  • California Consumer Privacy Act (CCPA)
  • Children's Online Privacy Protection Act (COPPA)