Privacy Policy

Last Updated: 2026.4.15

QR Reader* is developed and operated by JOYLINK NETWORK TECH LIMITED (“we”, “our”, or “us”).

We are committed to protecting your privacy and ensuring transparency in how your information is handled.

This Privacy Policy explains what data we collect, how we use it, and how we safeguard your information when you use our application.


1. Information We Collect

We collect only the minimum information necessary to provide and improve our services.

We do not require account registration and do not collect personal identifying information unless you voluntarily provide it.

(a) Device & Technical Information

We may automatically collect limited non-personal data, including:

Device model

Operating system version

System language

App version

Anonymous crash logs and performance data

This information is used solely to improve app stability and performance and cannot identify you.

(b) QR Code Data

QR codes you scan or create are processed locally on your device

Scan history (if enabled) is stored only on your device

We do not upload or store your QR data on our servers

(c) Images & Camera Usage

The App may request access to:

Camera – to scan QR codes

Photo Library – to scan QR codes from images or save generated codes

All access is initiated by you and used only for the selected feature.

(d) AI Features & Face Data

Some features may include AI-based image processing (such as artistic QR or visual recognition).

Images are processed only to generate the requested result

We do not identify individuals

We do not collect or store biometric or facial data

We do not retain images after processing

Images are not used for training AI models

All data is deleted immediately after processing.


2. How We Use Information

We use collected data only to:

Provide QR scanning and QR code generation features

Improve performance and reliability

Fix bugs and technical issues

Enhance user experience

We do not sell, rent, or share personal data with third parties.


3. Data Storage & Retention

Most data is stored locally on your device

We do not maintain databases of user content

Temporary data (if any) is deleted immediately after processing


4. Data Security

We use industry-standard measures to protect your data, including:

Encrypted data transmission (HTTPS/TLS)

Secure processing environments

However, no system is completely secure.


5. Third-Party Services

We may use trusted third-party services (such as analytics or crash reporting tools) to improve the App.

These services:

Receive only anonymous, non-personal data

Do not access your QR content or images

Follow their own privacy and security standards


6. Your Rights

Depending on your location, you may have the right to:

Request access to your data

Request deletion of your data

Withdraw permissions (camera, photos, etc.)

You can contact us anytime at:

[email protected]


7. Children’s Privacy

The App is not intended for children under 13.

We do not knowingly collect data from children.


8. Changes to This Policy

We may update this Privacy Policy from time to time.

Any updates will be reflected by the “Last Updated” date above.


9. Contact Us

If you have any questions or concerns about this Privacy Policy, please contact us:

Developer: JOYLINK NETWORK TECH LIMITED

Email: [email protected]