Privacy Policy - App Lock
Effective Date: 2025-06-24
Last Updated: 2025-06-24
1. Introduction
Windyup ("we", "us", "our") respects your privacy and is committed to protecting your personal
information. This Privacy Policy explains how we collect, use, and protect information when you use
the App Lock - Privacy & Vault app ("App").
Contact Information:
- Email: windyup2332sp@gmail.com
- Developer: Windyup
2. Information We Collect
2.1 Information We DO NOT Collect
The App Lock App does NOT collect:
- Personal identification information (name, email, phone number)
- Contacts, messages, or call logs
- Precise location data
- Personal photos or videos from your device
- PINs, patterns, or security question answers (stored locally only, encrypted on your device)
- Contents of your Private Vault (encrypted locally, never uploaded)
2.2 Information We Collect Automatically
a) App Usage Data:
- Device information (model, OS version, app version)
- App usage statistics (features used, time spent)
- Technical information for performance improvement
b) Advertising Data (Google AdMob):
- Advertising ID (resettable)
- Basic device information
- Ad interaction data
- Advertising preferences (if user allows personalized ads)
c) Analytics Data (Google Analytics):
- App usage statistics
- Crash and error information
- App performance data
- General demographic data
3. How We Use Information
3.1 Purposes
- Provide service: Maintain App Lock functionality, Private Vault, and app disguise features
- Improve experience: Analyze usage to enhance the App
- Display ads: Show relevant advertisements (if personalization is enabled)
- Technical support: Fix bugs and improve performance
3.2 We DO NOT Use Information To:
- Sell to third parties for marketing
- Send promotional emails
- Track personal location
- Create detailed personal profiles
- Access your locked apps or encrypted vault contents
4. Information Sharing
4.1 Advertising Partners
Google AdMob:
- Receives necessary information to display ads
- Complies with Google's privacy policies
- You can opt out of personalized ads in device settings
4.2 Analytics Services
Google Analytics:
- Receives anonymized statistical data
- Helps us understand how the App is used
- Data is anonymized and aggregated
4.3 Other Cases
We may share information when:
- Required by law
- Necessary to protect our legal rights
- With your explicit consent
5. Your Rights and Choices
5.1 Ad Controls
- Disable personalized ads: Go to Google Settings > Ads > Reset Advertising ID
- Limit ad tracking: Use your device's "Limit Ad Tracking" feature
5.2 Data Rights
- Request information about collected data
- Request deletion of personal data (if any)
- Contact us at: windyup2332sp@gmail.com
5.3 Withdraw Consent
- Uninstall the App at any time
- Disable app permissions in device settings
- Reset your Advertising ID
6. Data Security
6.1 Security Measures
- PINs and patterns are stored in Android EncryptedSharedPreferences on your device
- Private Vault files are encrypted with AES-256 encryption locally on your device
- Your encryption key stays on your device — no cloud, no server
- Data encryption during transmission (HTTPS)
- Regular security updates
- Limited data access
6.2 Data Retention
- App data (PINs, patterns, vault files): Stored locally until app is uninstalled
- Advertising data: According to Google AdMob policies
- Analytics data: Maximum 26 months (Google Analytics)
6.3 Permissions We Request
- Usage Access (PACKAGE_USAGE_STATS): Required to detect which app is in the foreground so App Lock
can protect your apps
- Display Over Other Apps (SYSTEM_ALERT_WINDOW): Required to show the lock screen overlay when a
protected app is opened
- Device Admin: Used to warn before disabling device admin protection
- Notifications: To alert you when new apps are installed so you can lock them
- Storage: Only for importing/exporting photos and videos to/from the Private Vault
7. Third-Party Services
7.1 Google AdMob
- Policy: https://policies.google.com/privacy
- Purpose: Display advertisements
- Control: Device ad settings
7.2 Google Analytics for Firebase
- Policy: https://policies.google.com/privacy
- Purpose: App usage analysis
- Data: Anonymous statistics
8. Children Under 13
This App is designed for users aged 12 and above. We do not knowingly collect personal information
from children under 13. If parents discover that their child has provided personal information,
please contact us to delete that information.
9. International Data Transfers
Data may be processed and stored on servers located in:
- United States (Google servers)
- Other countries where our partners have servers
We ensure data is protected according to international standards.
10. Policy Changes
We may update this Privacy Policy periodically. Significant changes will be communicated through:
- In-app updates
- Push notifications (if necessary)
- The effective date at the top of this document
11. Legal Compliance
This policy complies with:
- Vietnam Personal Data Protection Law
- GDPR (for EU users)
- COPPA (for US children)
- Other international data protection regulations
12. Contact Us
If you have questions about this Privacy Policy or want to exercise your rights, please contact:
Email: windyup2332sp@gmail.com
Developer: Windyup
Response Time: Within 48 hours
Information to Include When Contacting:
- Type of request (data deletion, access, complaint)
- Device information (if necessary)
- Detailed description of the issue
13. Our Commitment
Windyup is committed to:
- Transparency: Clear information about data usage
- Minimization: Collecting only necessary information
- Security: Implementing best security practices
- Respect: Always respecting user privacy
This policy is created to ensure transparency and compliance with data protection regulations. If
you have any questions, please don't hesitate to contact us.