Privacy Policy for QR & Barcode AssistantÂ
Effective Date: March 18, 2026
Thank you for using **QR & Barcode Assistant ** ("the App"). We value your privacy and are committed to explaining clearly how information is handled when you use the App.
This Privacy Policy applies to the App when it is distributed through Google Play, Google Sites, or other official distribution channels.
1. Information We Process
Based on the current version of the App, we may process the following types of information:
1.1 Camera Access
The App requests **camera permission** so that it can scan QR codes and barcodes in real time.
- Camera input is used only to provide scanning functionality.
- Based on the current implementation, scanning is primarily performed on-device, and we do not upload or store your camera feed on our own servers.
1.2 Content You Provide or the App Detects
When you use the App, the content you enter, select, generate, or scan may include:
- Text contained in QR codes or barcodes
- Text, URLs, Wi-Fi names, Wi-Fi passwords, phone numbers, and similar content that you enter to generate QR codes
- The type, format, source, and timestamp of scan or creation history
If the "auto-save history" setting is enabled, some of this information may be stored locally on your device so that you can review it later.
1.3 Local Settings Data
The App stores certain settings locally on your device, such as:
- Whether vibration is enabled after a successful scan
- Whether a beep sound is enabled after a successful scan
- Whether history should be saved automatically
This information is used only to support and improve the App experience.
1.4 Images You Choose to Save or Share
When you use the "Save Image" or "Share Image" features, the App may:
- Save generated QR code images to your device gallery or an app-accessible pictures directory
- Create temporary image files for sharing through system features or third-party apps you choose
This occurs only when you actively use those features.
2. How We Use Information
We process information for the following purposes:
- To provide QR code and barcode scanning
- To provide QR code creation and export features
- To save and display local history
- To remember your preferences and settings
- To respond to actions you initiate, such as copy, share, open link, dial, send SMS, send email, or open Wi-Fi settings
- To display ads and support the operation of the App
3. Data Storage and Retention
Based on the current implementation:
- Scan history, created content history, and settings are stored primarily **locally on your device**
- The App **does not provide account registration or login**
- We **do not collect or store your scan content or created content through our own servers**
Please note that the App currently allows Android system backup features. If backup, restore, or device transfer is enabled on your device and Google account, some local app data may be backed up or transferred through Android system mechanisms.
4. Third-Party Services and SDKs
The App uses third-party services and SDKs to support advertising and barcode recognition.
4.1 Google AdMob
The App integrates **Google AdMob / Google Mobile Ads SDK** to display ads. According to Google's official documentation, the SDK may automatically collect and process certain information for advertising, analytics, fraud prevention, and service maintenance, such as:
- IP address
- Device identifiers, advertising identifiers, and App Set ID
- App interaction information
- Diagnostic information and performance data
Such information is collected and processed by Google in accordance with its own policies. For more information, please review:
- Google Privacy Policy: [https://policies.google.com/privacy](https://policies.google.com/privacy)
- Google Mobile Ads SDK Privacy: [https://developers.google.com/admob/android/privacy](https://developers.google.com/admob/android/privacy)
4.2 Google ML Kit
The App uses **Google ML Kit Barcode Scanning** to recognize QR codes and barcodes. According to Google's official documentation, barcode scanning can be performed on-device and typically does not require a network connection for recognition.
Google's official data disclosure materials also indicate that the ML Kit Android SDK may collect device information, app information, and performance metrics for diagnostics, product improvement, and usage analytics. Such processing is subject to Google's applicable policies. For more information, please review:
- ML Kit Barcode Scanning: [https://developers.google.com/ml-kit/vision/barcode-scanning](https://developers.google.com/ml-kit/vision/barcode-scanning)
- ML Kit Android Data Disclosure: [https://developers.google.com/ml-kit/android-data-disclosure](https://developers.google.com/ml-kit/android-data-disclosure)
5. How Information May Be Shared
We do not sell your information to third parties, and we do not actively collect your scan content through our own servers, except in the following situations:
- Information may be processed by Google AdMob to display ads
- Information may be processed by relevant SDKs as disclosed in their official documentation to support barcode recognition or related technical functions
- When you choose to share content, open a link, dial a number, send an SMS, send an email, or connect to Wi-Fi, the relevant content is handed off to the system or third-party app you choose
- When required by applicable law, regulation, legal process, or to protect rights, safety, and legitimate interests
6. Your Choices and Controls
You can manage your information in the following ways:
- Turn off "auto-save history" in the App settings
- Delete individual history items or clear history from within the App
- Delete QR code images saved on your device
- Uninstall the App to remove locally stored app data
- Manage advertising identifiers or personalized ads through your device settings, where supported
7. Permissions
The current version of the App primarily uses the following permissions:
- **Camera permission**: to scan QR codes and barcodes
- **Vibration permission**: to provide vibration feedback after a successful scan
Based on the current implementation, the App does not actively request access to contacts, microphone, or precise location.
8. Data Security
We take reasonable measures to protect information processed by the App from unauthorized access, use, alteration, or disclosure. However, no electronic storage or transmission method can be guaranteed to be completely secure.
9. Children's Privacy
The App is not directed specifically to children. If you believe that a minor has provided information without appropriate consent, please contact us and we will address the matter within a reasonable scope.
10. International Processing
If third-party providers used by the App, such as Google AdMob or Google ML Kit, process information in countries other than your own, such information may be stored or processed outside your jurisdiction in accordance with those providers' policies.
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect product changes, legal requirements, or operational needs. The updated version will be posted on the relevant page and will become effective as of the date shown above. We encourage you to review it periodically.
12. Contact Us
If you have any questions, comments, or requests regarding this Privacy Policy, please contact us:
- Developer name: [LiYe]
- Contact email: [769247877@qq.com]
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This Privacy Policy is based on the functionality reflected in the current project code and applies to the current version of the App, including scanning, QR code creation, local history, image saving/sharing, and ad display. If future versions add accounts, cloud sync, crash reporting, analytics, subscriptions, payments, or additional third-party SDKs, this Privacy Policy should be updated accordingly.