🔐 Privacy Policy - TK QR Code
Effective Date: January 15, 2025
📋 General Information
TK QR Code ("we", "our", or "the app") is committed to protecting your privacy. This privacy policy explains how we collect, use, and protect your information when using the TK QR Code application.
🔍 Information We Collect
Personal Information (stored only on device):
- Registration Information: Full name, phone number, unit, floor, working hours, email
- Device Information: Device ID for QR code generation
- QR Codes: QR codes generated from registration information
Automatic Information:
- Logs: Error and app performance information (local only)
- Ads: Information from Google Mobile Ads for ad display
🎯 How We Use Information
- QR Code Generation: Use Device ID and registration information to create dynamic and static QR codes
- Temporary Storage: Store information on device so users don't need to re-enter data
- Email Creation: Create email content with registration information (not sent to server)
- App Improvement: Analyze usage data (local only)
- Advertising: Display relevant advertisements
🔗 Third-Party Services
Google AdMob:
- Purpose: Display advertisements in the app
- Data Collected: Advertising ID, device information, usage behavior
- Privacy Policy: https://policies.google.com/privacy
- Opt-out: You can disable personalized ads in device settings
Email Client (Local):
- Purpose: Open user's email app to send registration information
- Data: Only create email content on device, not sent through server
- Security: User has complete control over email sending
Time Sync Service:
- Purpose: Synchronize time for dynamic QR code generation
- Data: Only retrieve current time from NTP server
- Does Not Collect: Personal information
💾 Data Storage
Local Storage (device only):
- SharedPreferences: Registration information for convenience in next use
- Local Storage: QR codes stored in device memory
- NO Server: No personal data sent to external servers
Security:
- Encryption: Data protected by operating system
- Access Rights: Only the app can access data
- No Sharing: No sharing of personal information with any third parties
Storage Duration:
- Registration Information: Until user uninstalls app or manually deletes data
- QR Codes: Until user manually deletes
- Logs: Automatically deleted when app restarts
📱 App Permissions
Required Permissions:
- Storage/Photos: Save QR code images to photo library
- Email: Open user's email application
- Internet: Time synchronization and ad display
Permissions Not Used:
- Camera: Not used
- Location: Not used
- Contacts: Not used
- Microphone: Not used
👤 User Rights
Access and Control Rights:
- View Information: Review saved information in registration form
- Modify: Change personal information at any time
- Delete Data: Delete data using "Delete Data" button in app
- Uninstall: Completely remove all data by uninstalling app
Privacy Rights:
- Disable Ads: Turn off personalized ads in device settings
- No Email: Can use app without sending emails
- Offline: Can use most features without internet
✅ Legal Compliance
International Regulations:
- GDPR: Comply with local storage principles and data control
- CCPA: Transparent about not selling personal data
- PIPEDA: Protect personal information on device
Vietnam Regulations:
- Cybersecurity Law 2018: Comply with information security regulations
- Decree 13/2023/ND-CP: Personal data protection
- Circular 47/2020/TT-BTTTT: Ensure information security
🔐 IMPORTANT COMMITMENTS
TK QR Code COMMITS:
- ✅ Your personal information is ONLY stored on your device
- ✅ NO sending personal data to external servers
- ✅ NO sharing information with third parties (except AdMob for ads)
- ✅ You have complete control to manage and delete your data
By using TK QR Code, you agree to this privacy policy.
For more information or questions, please contact: thangmaytkvietnam@gmail.com