Privacy and Security: How QR Scanner Protects Your Data

Privacy is a fundamental right, and QR Scanner is designed with privacy-first principles. This guide explains how your data is protected, what information is stored, and how offline functionality keeps your information secure.

Privacy-First Design

QR Scanner is built with privacy as a core feature, not an afterthought. Every design decision prioritizes your data security and privacy.

Key Privacy Principles

1. No Account Required: Use the app without creating an account
2. Local Storage: All data stays on your device
3. Offline Functionality: Most features work without internet
4. No Cloud Sync: Data never uploaded to servers
5. Minimal Data Collection: Only essential information collected

How Data is Stored

Local Device Storage

What's Stored Locally:

• Scanned QR codes and their content
• Generated QR codes and settings
• Scan history
• App preferences
• Customization settings

Storage Location:

• All data stored on your device
• Never synced to cloud
• Not accessible by developers
• Deleted when app is uninstalled

What's NOT Stored

Not Collected:

• Personal information (name, email, phone)
• Location data
• Device identifiers (except for support)
• Usage analytics (minimal, anonymous)
• Payment information (handled by payment processors)

Offline Functionality

How Offline Mode Works

Scanning:

• Works completely offline
• No internet connection required
• Camera processes codes locally
• Results stored on device

QR Code Generation:

• Creates codes offline
• No server communication needed
• All processing on device
• Instant generation

History Access:

• View all scans offline
• Access generated codes offline
• No sync required
• Fast local access

When Internet is Used

Product Lookup:

• Barcode information requires internet
• Only when you scan product barcodes
• Information fetched, not stored
• Optional feature

App Updates:

• Download updates from app store
• No data transmitted during updates
• Standard app store process

Permissions Explained

Camera Permission

Why Needed:

• To scan QR codes and barcodes
• Required for core functionality

How Used:

• Only for scanning
• Images processed locally
• Not stored permanently
• Not shared with third parties

Privacy Protection:

• Camera access only when scanning
• No background camera access
• You control when to grant permission

Photo Library Permission

Why Needed:

• To select logo images for QR codes
• Optional feature

How Used:

• Only when you choose to add logo
• Image selected by you
• Processed locally
• Not uploaded anywhere

Privacy Protection:

• Only accessed when you choose
• No automatic access
• You control what images to use

Media Library Permission

Why Needed:

• To save QR codes to photo library
• Optional feature

How Used:

• Only when you choose to save
• Saves generated QR codes
• Standard iOS/Android functionality

Privacy Protection:

• Only saves what you create
• No access to other photos
• You control what to save

Data Security

Encryption

Local Data:

• Stored using device encryption
• Protected by iOS/Android security
• Not accessible by other apps
• Secure by default

Payment Security

Subscription Data:

• Processed by secure payment processors
• Apple App Store / Google Play
• Industry-standard encryption
• No full payment details stored

What's Stored:

• Subscription status (local)
• Purchase receipts (device only)
• No credit card information
• No payment details

Subscription Privacy

Subscription Information

What We Know:

• Subscription status (active/inactive)
• Subscription type (weekly/yearly)
• Device identifier (for support)

What We Don't Know:

• Payment method details
• Full payment information
• Personal financial data
• Billing address

Data Processing:

• Handled by payment processors
• Secure third-party systems
• Industry-standard security
• GDPR compliant

Your Rights

Data Access

You Can:

• View all your scans in app
• Access all generated codes
• Export your data
• Delete individual items

Data Deletion

You Can:

• Delete individual scans
• Delete generated codes
• Clear entire history
• Uninstall app (deletes all data)

Data Portability

Export Options:

• Save QR codes to photo library
• Share codes directly
• Export individual codes
• Manual backup options

Privacy Best Practices

For Users

1. Review Scans: Check scan history regularly
2. Delete Unnecessary: Remove old scans you don't need
3. Be Selective: Only scan codes from trusted sources
4. Check Permissions: Review app permissions in settings
5. Stay Updated: Keep app updated for security patches

For Businesses

1. Respect Privacy: Don't collect unnecessary data
2. Clear Communication: Explain data usage clearly
3. Secure Storage: Use device encryption
4. Minimal Collection: Only collect what's needed
5. User Control: Give users control over their data

Comparison with Other Apps

QR Scanner vs. Cloud-Based Apps

QR Scanner:

• Local storage only
• No cloud sync
• Works offline
• No account needed
• Full privacy control

Cloud-Based Apps:

• Data synced to servers
• Requires internet
• Account usually needed
• Data accessible by company
• Less privacy control

Why Local Storage Matters

Benefits:

• Complete privacy
• Works offline
• Faster access
• No data breaches
• Full user control

Security Features

App Security

Built-In Protections:

• No background data transmission
• Secure local storage
• Permission-based access
• Regular security updates

Device Security

Leverages:

• iOS/Android encryption
• System-level security
• Secure keychain/key store
• Biometric authentication (if enabled)

Transparency

What We Share

Nothing:

• We don't sell your data
• We don't share with advertisers
• We don't track you across apps
• We don't create profiles

Only When Required:

• Legal requirements (rare)
• With your explicit consent
• For critical app functionality

Privacy Policy

Key Points

• Data Collection: Minimal, device identifiers only
• Data Usage: App functionality and support
• Data Storage: Local device only
• Data Sharing: None, except payment processors
• Your Rights: Full control over your data

Contact for Privacy

Privacy Inquiries:

• Email: privacy@qrscanner.cloud
• Through app contact form
• Response within 48 hours

Conclusion

QR Scanner is designed to protect your privacy by keeping all data on your device, working offline, and requiring no account. This privacy-first approach ensures you have complete control over your information while enjoying powerful QR code scanning and generation features.

Remember: Your privacy is important. QR Scanner gives you the tools you need while respecting your right to privacy and data control.

---

Want privacy-focused QR scanning? Download QR Scanner and experience true offline functionality with complete data control. Download QR Scanner today.