Privacy Policy

Gold Karat Calculator

Last updated: December 10, 2024

Your privacy is important to us. This Privacy Policy explains how the Gold Karat Calculator app ("we," "us," or "our") collects, uses, and protects your information.

1 Information We Collect

1.1 Personal Information

Our app does NOT collect or store personal information such as your name, email address, or contact details unless you voluntarily provide them when contacting us for support.

1.2 Subscription and Payment Information

When you subscribe to our premium features:

  • Subscription management is handled by RevenueCat, a third-party service provider
  • Payment processing is handled by Apple App Store or Google Play Store
  • We collect and store:
    • App User ID (anonymous identifier)
    • Subscription status (active, expired, trial)
    • Purchase receipts (managed by RevenueCat)
    • Device type and platform (iOS/Android)

✓ We do NOT collect or have access to your payment card information. All payment details are securely processed by Apple or Google.

1.3 Usage Data

The app processes all gold/silver calculations locally on your device. We do not collect, transmit, or store:

  • Calculation results
  • Saved calculations
  • PDF files generated by the app
  • Any usage behavior or analytics

1.4 Device Information for Trial Protection

To prevent abuse of our free trial period, we collect and store a unique device identifier (Device ID) along with basic device information. This information:

  • Does NOT contain any personal information (no name, email, phone number, or location data)
  • Is used solely to prevent multiple trial activations from the same device
  • Is stored securely on our servers
  • Cannot be used to identify you personally
  • Is NOT shared with any third parties

What we collect:

  • ✓ Device ID (unique identifier for your device)
  • ✓ Device model (e.g., "Galaxy S21", "iPhone 13")
  • ✓ Device brand (e.g., "Samsung", "Apple")
  • ✓ Operating system (Android/iOS)
  • ✓ Timestamp of first trial activation

Purpose: Ensuring fair access to our free trial period for all users by preventing abuse through multiple trial activations from the same device.

2 How We Use Your Information

We use the collected information solely to:

  • Verify your subscription status
  • Provide access to premium features
  • Manage free trial periods
  • Prevent abuse of trial period through device fingerprinting
  • Process subscription renewals and cancellations
  • Provide customer support

3 Third-Party Services

3.1 RevenueCat

We use RevenueCat to manage in-app subscriptions. RevenueCat may collect:

  • Anonymous user identifiers
  • Subscription purchase data
  • Device information (OS version, device model)

RevenueCat's Privacy Policy: https://www.revenuecat.com/privacy

3.2 Apple App Store / Google Play Store

Payment processing and subscription management are handled by:

  • Apple App Store (for iOS users)
  • Google Play Store (for Android users)

Apple Privacy Policy: https://www.apple.com/legal/privacy/

Google Play Privacy Policy: https://policies.google.com/privacy

4 Data Security

We implement commercially reasonable security measures to protect your subscription information and device data. However, no method of electronic transmission or storage is 100% secure.

🔒 Since all calculations are performed locally on your device, your calculation data never leaves your device and is not transmitted to our servers.

🛡️ Device fingerprint data is stored securely on our servers and is used exclusively for trial protection purposes. This data cannot be used to track your activities or identify you personally.

5 Your Rights

You have the right to:

  • Access your subscription information
  • Cancel your subscription at any time through your Apple ID or Google Play account settings
  • Request deletion of your subscription data by contacting us
  • Request deletion of your device fingerprint data by contacting us
  • Opt out of our services by uninstalling the app

📱 To manage your subscription:

  • iOS: Settings → [Your Name] → Subscriptions
  • Android: Google Play Store → Menu → Subscriptions

6 Children's Privacy

Our app is not directed to 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.

7 International Data Transfers

RevenueCat and our servers process subscription and device data on servers that may be located outside your country of residence. By using our app, you consent to the transfer of your information to these servers.

8 Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any material changes by posting the new Privacy Policy on this page and updating the "Last updated" date.

Continued use of the app after changes constitute acceptance of the updated policy.

9 Contact Us

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

For subscription-related inquiries, you may also contact:

© 2024 SamCoAPP. All rights reserved.

Gold Karat Calculator - Professional precious metals calculator