Privacy Policy
Coin Scanner
Last updated: October 8, 2025
1. Introduction
This privacy policy outlines how we collect, use, disclose, and protect your information when you use our mobile application, Coin Scanner, which is designed to identify coins by scanning images.
2. What Information We Collect and Why
2.1 Anonymized Usage Data: We collect anonymized data about the usage of our app to help us understand how our users interact with Coin Scanner. This data is sent to Firebase Analytics and is used to improve our app and provide better services. This information cannot be linked back to individual users and includes:
- App launch events and feature usage patterns
- App crashes and technical issues for debugging purposes
- General usage statistics to improve app performance
2.2 Coin Images for Identification: When you take photos of coins to identify them, these images are:
- Temporarily sent to our servers for coin identification processing
- Processed by our coin identification service to match your coin with our database
- Not stored on our servers after the identification process is complete
- May be temporarily cached on your device for performance purposes
2.3 Subscription and Purchase Data: We use RevenueCat to manage in-app subscriptions. RevenueCat helps us manage your subscription status and entitlements. All payment processing is handled securely by Apple through their In-App Purchase system:
- Subscription status and history are managed by RevenueCat
- Device identifiers are used to sync your subscription across devices
- Payment information (such as credit card details) is processed exclusively by Apple and is never accessible to us or RevenueCat
3. What We Don't Collect
Coin Scanner does not:
- Store your coin images on our servers after identification
- Collect personal information beyond what's necessary for subscriptions
- Track your coin collection or personal numismatic data
- Access your payment information (handled exclusively by Apple)
- Access your device's photo library without your explicit permission
- Collect location data or GPS coordinates
4. Image Processing and Privacy
When you scan a coin in Coin Scanner:
- The image is sent to our servers for identification processing
- Our system analyzes the image to identify the coin and returns matching results
- The image is not permanently stored on our servers after processing
- Images may be temporarily cached on your device for a better user experience
- You can delete locally cached images at any time through your device settings
5. How We Use Your Information
We use the collected information in the following ways:
- 5.1 Analytics: To analyze trends and gather demographic information for aggregate use. We use anonymized data sent to Firebase Analytics to understand feature adoption and improve app performance.
- 5.2 Coin Identification: To provide you with accurate coin identification results.
- 5.3 Subscription Management: To manage your subscription status and provide premium features through RevenueCat.
6. How We Protect Your Information
6.1 Security Measures: Your privacy is important to us. We utilize the latest SDKs available for Firebase Analytics and RevenueCat, incorporating their advanced security measures to ensure that your information is protected. All communication with our backend and third-party services uses secure HTTPS connections. While no method of data transmission over the Internet is 100% secure, we implement and maintain reasonable, commercially acceptable security procedures and practices aligned with the latest technological advancements.
7. Third-Party Services
We use the following third-party services:
8. Changes to This Privacy Policy
We may update our 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 at the top of this policy. Significant changes will be reflected in app updates.
9. Contact Us
If you have any questions about this privacy policy or our data practices, please don't hesitate to contact us:
- By email: contact@anthopak.dev