1. Introduction

Welcome to UniQR, a QR code scanning and generation mobile application.

This Privacy Policy explains how we collect, use, and protect your information when you use our app. We are committed to transparency about our data practices and your privacy rights.

2. Information We Collect

2.1 Information We Do NOT Collect

We do not collect, store, or retain any personal information that can directly identify you
We do not require user accounts or registration
We do not store your QR codes or scan history on our servers
We do not access or store your photos after scanning
We do not collect your contacts, location data, or other sensitive personal information

2.2 Analytics Data (Mixpanel)

We use Mixpanel for analytics to understand how our app is used and to improve your experience. Mixpanel collects:

App usage patterns (which features you use, how often you use the app)
Device information (device type, operating system version, app version)
Technical performance data (app crashes, loading times, errors)
Anonymous user identifiers (randomly generated, not linked to your identity)
Session data (app session duration, screen views)

This data is anonymized and cannot be used to identify you personally. Mixpanel processes this data to help us understand user behavior and improve app functionality.

2.3 Advertising Data (Google AdMob)

We display advertisements through Google AdMob to support our free app. AdMob may collect and process:

Device identifiers (Advertising ID, which you can reset in your device settings)
Device information (device type, operating system, screen size)
App usage data (time spent in app, interactions with ads)
Location data (approximate location based on IP address, if location services are enabled)
Ad interaction data (which ads you view, click, or interact with)

This information is used to show you relevant advertisements and measure ad performance. You can opt out of personalized advertising through your device settings.

3. How We Use Your Information

3.1 Local Data Storage

All QR codes you save are stored locally on your device only
Your scan history is maintained locally on your device
We never upload or sync your QR codes to our servers
You have complete control over this local data

3.2 Analytics Usage (Mixpanel)

We use Mixpanel analytics data to:

Improve app performance and fix crashes
Understand which features are most valuable to users
Identify and resolve technical issues
Make data-driven decisions about new features
Optimize user experience and app functionality

3.3 Advertising (Google AdMob)

Google AdMob uses collected data to:

Display relevant advertisements based on your interests
Measure ad performance and effectiveness
Prevent fraud and ensure ad quality
Provide reporting to advertisers (in aggregated, non-personal form)
Support our free app through advertising revenue

You can control ad personalization through your device’s advertising settings or by opting out of interest-based ads.

4.1 Analytics Provider (Mixpanel)

We share anonymous analytics data with Mixpanel, our analytics provider. Mixpanel receives:

Anonymous usage statistics and app performance data
Device and technical information (anonymized)
User behavior patterns (not linked to personal identity)

Mixpanel processes this data according to their privacy policy and data protection standards. No personally identifiable information is shared.

4.2 Advertising Partner (Google AdMob)

Google AdMob, our advertising partner, may receive and process data to serve personalized advertisements:

Device advertising identifiers (which you can reset or opt out of)
App usage and interaction data
Device characteristics and approximate location
Ad performance and interaction metrics

Google processes this data according to their privacy policy. You can control ad personalization in your device settings or through Google’s ad settings.

4.3 App Store Platforms

When you make subscription purchases, the following platforms handle payment processing:

Apple App Store (for iOS users)
Google Play Store (for Android users)

We do not receive or store your payment information.

We do not sell, trade, or share your information with any other third parties beyond those mentioned above.

5. Device Permissions

5.1 Camera Access

Purpose: To scan QR codes directly through your camera
Data Storage: Images are processed locally and not stored
Control: You can revoke camera permission in your device settings

5.2 Photo Library Access

Purpose: To select images from your photo library for QR code scanning
Data Storage: Selected images are processed locally and not stored
Control: You can revoke photo library permission in your device settings

6. Subscription Services

6.1 Premium Features

Subscriptions unlock extended functionality (e.g., 30-day history vs. 7-day history)
Subscription management is handled by Apple App Store or Google Play Store
We do not store your payment information

6.2 Subscription Data

Subscription status is managed by the respective app stores
We may receive anonymous subscription analytics for business purposes

7. Data Security

7.1 Local Data Protection

All your QR codes and scan history are stored locally on your device
Data security depends on your device’s security settings
We recommend using device lock screens and encryption

7.2 Analytics Data Protection

Anonymous analytics data is transmitted securely
No personally identifiable information is included in analytics

8. Your Rights and Choices

8.1 Data Control

You have complete control over your local data (QR codes and scan history)
You can delete the app to remove all local data
You can clear app data through your device settings

8.2 Analytics Opt-Out

You can limit analytics data collection by:

Disabling analytics in your device’s privacy settings
Using “Limit Ad Tracking” (iOS) or “Opt out of Ads Personalization” (Android)
Contacting us to request analytics opt-out for your device

8.3 Advertising Controls

You can control advertising personalization through:

iOS: Settings > Privacy & Security > Apple Advertising > Personalized Ads (turn off)
Android: Settings > Google > Ads > Opt out of Ads Personalization
Reset Advertising ID: Generate a new advertising identifier in your device settings
Google Ad Settings: Visit adssettings.google.com to manage your ad preferences

If you are located in the European Union, you have the following rights:

Right to Access: Request information about data we process
Right to Rectification: Request correction of inaccurate data
Right to Erasure: Request deletion of your data
Right to Restrict Processing: Request limitation of data processing
Right to Data Portability: Request transfer of your data
Right to Object: Object to data processing
Right to Withdraw Consent: Withdraw consent for data processing

Since we do not retain personal data, most requests will involve confirmation that no personal data is stored.

8.5 CCPA Rights (California Users)

If you are a California resident, you have the right to:

Know what personal information is collected about you
Know whether your personal information is sold or disclosed
Say no to the sale of personal information
Access your personal information
Request deletion of personal information
Equal service and price, even if you exercise your privacy rights

9. Children’s Privacy

9.1 Age Restrictions

Our app is designed for general audiences
We do not knowingly collect information from children under 13
If you believe a child has provided information to us, please contact us immediately

9.2 Parental Controls

Parents can set age restrictions in device settings
We recommend parental supervision for children using the app

10. International Data Transfers

10.1 Analytics Data (Mixpanel)

Mixpanel processes anonymous analytics data in compliance with international data protection laws
Data transfers are secured and comply with GDPR adequacy requirements
No personal data is transferred internationally

10.2 Advertising Data (Google AdMob)

Google AdMob may transfer advertising data internationally for ad serving and optimization
Google complies with international data transfer frameworks and privacy regulations
You can control this through your device’s advertising settings

11. Changes to This Privacy Policy

11.1 Updates

We may update this Privacy Policy periodically
Significant changes will be communicated through app updates
Continued use of the app indicates acceptance of changes

11.2 Notification

Check this page regularly for updates
Last updated date is shown at the top of this policy

12. Contact Information

12.1 Privacy Questions

For privacy-related questions or concerns: [email protected]

12.2 Response Time

We aim to respond to privacy inquiries within 30 days.

13. Legal Compliance

13.1 Applicable Laws

This Privacy Policy complies with:

General Data Protection Regulation (GDPR) for EU users
California Consumer Privacy Act (CCPA) for California users
Children’s Online Privacy Protection Act (COPPA) for users under 13
Vietnam Personal Data Protection Decree
Google Play and Apple App Store privacy requirements
Other applicable international privacy regulations

13.2 Data Processing Legal Basis

We process data based on the following legal grounds:

Legitimate Interest: Analytics data to improve app functionality and user experience
Consent: Advertising personalization (which you can withdraw anytime)
Contract Performance: Providing core app functionality and premium features

13.3 Jurisdiction

This Privacy Policy is governed by the laws of Vietnam, with respect for international privacy rights and applicable local regulations in your jurisdiction.

Privacy Policy