Privacy Policy - QR Code Reader

NiemDinhTue

(Last Updated: October 30, 2025)

Thank you for using QR Code Reader by NiemDinhTue — a fast, secure, and privacy-focused QR scanning app.

Your trust means everything to us. This Privacy Policy explains how we collect, use, and protect your information when you use our mobile application QR Code Reader (“App”) and related services (“Services”).

By installing or using the App, you agree to this Privacy Policy. If you do not agree, please uninstall the App immediately.

1. Information We Collect

We designed QR Code Reader to operate efficiently while collecting only the minimal data needed to improve performance and user experience.

Depending on how you use the App, we may collect:

  • Device Information: such as model, operating system, and version (to optimize scanning accuracy and display).

  • Usage Data: including the number of scans, QR code types (text, URL, Wi-Fi, contact, etc.), and app interactions.

  • Crash or Performance Data: to identify bugs and enhance app stability.

We do not collect personal identifiers (such as name, email, phone number, or precise location) unless you voluntarily contact us.

2. How We Use the Information

Collected information is used solely to:

  • Improve scan accuracy and app performance.

  • Enhance design and user experience.

  • Maintain app security and prevent misuse.

  • Analyze anonymous trends to optimize product features.

We never sell, rent, or trade your data with anyone.

3. Advertising and Analytics

The free version of the App may display ads from trusted ad networks such as Google AdMob or Firebase Analytics.

These services may use anonymized data (e.g., device type, approximate location) to deliver relevant ads and measure ad performance.

All advertising partners comply with Google Play Families Policy, GDPR, and CCPA regulations.

You can opt out of personalized ads anytime through your device’s Ad Settings.

4. Premium Version & Purchases

When you upgrade to QR Code Reader Premium, your purchase is securely processed by Google Play Billing.

We do not store or access your payment information — all transactions are encrypted and handled directly by Google.

Your Premium status may be stored locally on your device to unlock advanced features (e.g., no ads, batch scanning, custom QR creation, or saved favorites).

5. Data Security

We use modern security measures and encryption to protect your data.
All analytics and usage data are securely stored and used solely to improve performance and reliability.
We continuously monitor our systems to prevent unauthorized access or misuse.

6. Children’s Privacy

This App is not directed toward children under 16 years old.
We do not knowingly collect any data from children.
If you believe a child has provided us with information, please contact us so we can delete it promptly.

7. Your Rights

You have the right to:

  • Request deletion of your usage data.

  • Withdraw your consent anytime by uninstalling the App.

  • Contact us for data-related questions or requests.

We respect your privacy choices — no account or registration is required to use QR Code Reader.

8. Changes to This Policy

We may update this Privacy Policy from time to time.
Any changes will take effect on the “Last Updated” date above.
We encourage you to review this page periodically to stay informed.

9. Contact Us

If you have any questions, feedback, or privacy-related requests, please contact us at:

📧 apponlydeveloper@gmail.com

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