Privacy Policy
Effective Date: August 14, 2025
Last Updated: September 3, 2025

This Privacy Policy describes how NFC Reader & Card Wallet ("we," "our," or "us") collects, uses, and protects your information when you use our mobile application ("App").

1. Information We Collect

Local Data (Stored on Your Device Only):

• Card information (numbers, expiry dates, cardholder names, optional CVV codes)
  
  

• NFC scan data and history
  
  

• App preferences and settings
  
  

• Financial calculator inputs and results
  
  

Data Collected by Third-Party Services:

• Firebase Analytics: App usage statistics, crash reports, and performance data
  
  

• Firebase Crashlytics: Error logs and crash reports
  
  

• Google AdMob: Advertising identifier, device information, and ad interaction data
  
  

• Meta Audience Network: Advertising data and interaction data
  
  

• Firebase Cloud Messaging: Device tokens for push notifications
  
  

2. How We Use Information

• Local Data: Used only for app functionality and stored encrypted on your device
  
  

• Analytics: Improve performance, fix bugs, understand usage
  
  

• Advertising: Show relevant ads and measure ad performance
  
  

• Push Notifications: Deliver updates and important information
  
  

3. GDPR Compliance & Consent Management

For EU/EEA users:

• Google's User Messaging Platform (UMP) is used for consent collection
  
  

• Consent forms appear automatically when required
  
  

• You can change consent preferences in "Privacy Options"
  
  

• Personalized ads require explicit consent
  
  

• Without consent, only non-personalized ads are shown
  
  

Your GDPR Rights:
Access, Rectification, Erasure, Restriction, Portability, Objection, Withdraw Consent

4. Data Sharing

We do not sell your personal data. We only share information with:

• Advertising partners (Google AdMob, Meta) for serving and measuring ads (consent where required)
  
  

• Firebase services for analytics, crash reporting, notifications
  
  

• Authorities when legally required
  
  

5. Permissions Required

• NFC Access
  
  

• Internet Access
  
  

• Network State
  
  

• Biometric Authentication
  
  

• Notifications
  
  

• Advertising ID (for personalized ads with consent)
  
  

6. Data Security

• Local data is encrypted and stored on your device
  
  

• Secure transmission to third-party services
  
  

• Card information never leaves your device except during optional cloud backup
  
  

7. Third-Party Services

• Google Firebase (Analytics, Crashlytics, Cloud Messaging)
  
  

• Google AdMob + UMP
  
  

• Meta Audience Network
  
  

Each provider has its own privacy policy.

8. Your Rights

You can:

• Delete local data by uninstalling the app
  
  

• Manage consent preferences (EU/EEA)
  
  

• Opt out of personalized ads in device settings
  
  

• Disable notifications
  
  

• Contact us to exercise GDPR rights
  
  

• Request information about collected data
  
  

9. Children's Privacy

The app is intended for users 13+. We do not knowingly collect personal data from children under 13.

10. International Data Transfers

Third-party services may process data outside your country. For EU users, appropriate safeguards apply.

11. Changes to This Policy

Updates will be posted with a new “Last Updated” date. Significant GDPR-related changes may require renewed consent.

12. Contact Us

For questions or GDPR requests, contact:
📧 access.kagemaster1991@gmail.com

EU users may also contact their local data protection authority.