Effective Date: November 6, 2025 Last Updated: May 14, 2026

OVERVIEW

Diamond Tester ("we," "us," or "our") respects your privacy. This Privacy Policy explains how we collect, use, and protect your information when you use the Diamond Tester mobile application.

Diamond Tester is an educational reference tool designed to help users explore and learn about gemstones through visual identification. It is not a substitute for professional gemological testing or appraisal.

DATA WE COLLECT

Photos and Camera Access

• What we collect: Images of gemstones, diamonds, or crystals you capture or select from your photo library
• How we use it: To provide visual reference information and educational content about gemstones using AI image analysis
• Storage: Images are stored locally on your device and temporarily processed on our servers
• Retention: Images remain on your device until you delete them. Server copies are deleted immediately after analysis

Purchase Information

• What we collect: Subscription status and purchase history through RevenueCat
• How we use it: To manage your subscription and provide premium features
• Third party: RevenueCat processes subscription data (https://www.revenuecat.com/privacy)

Device Information

• What we collect: Device type, iOS version, app version
• How we use it: To ensure app compatibility and diagnose technical issues
• Third party: Firebase Analytics (https://firebase.google.com/support/privacy)

HOW WE USE YOUR DATA

We use your information to: