VolumeGuard Privacy Policy

Effective Date: November 8, 2025

Semper Digital Solutions ("we," "our," or "us") developed VolumeGuard as a professional utility application that provides military-grade volume control for Android devices. This Privacy Policy explains how VolumeGuard collects, uses, and protects your information.

1. Information We Collect

1.1 Information Stored Locally on Your Device

VolumeGuard stores the following information locally on your device using military-grade encrypted storage:

• Volume Lock Settings: Your preferred volume levels and military-grade lock configurations
• App Preferences: Material You theme settings, notification preferences, and professional app behavior settings
• Security Settings: Biometric authentication preferences and device security verification (if enabled)
• Device App Version: Used to notify you of available updates (current version: 1.2)

1.2 Analytics Information (Opt-In Only)

If you choose to enable analytics, VolumeGuard may collect anonymous usage data through Google Analytics, including:

• App usage patterns and professional feature interactions
• Device type and Android version (supports Android 7.0+ API 24-35)
• App performance and crash reports
• General location (country/region level only)

1.3 Advertising Information

VolumeGuard displays advertisements through Google AdMob. AdMob may collect:

• Device advertising ID
• IP address
• Device information (manufacturer, model, OS version)
• Ad interaction data

You can opt out of personalized advertising through your device settings (Google Settings → Ads → Opt out of Ads Personalization).

2. App Permissions and Why We Need Them

VolumeGuard requires the following permissions to provide military-grade volume control functionality:

• Modify Audio Settings: Required to control and lock your device volume levels with ultra-fast 16ms response time
• Foreground Service: Allows the app to run in the background with persistent notification to continuously monitor and enforce volume locks
• Notification Listener Service: Detects when other apps attempt to change your volume settings and blocks unauthorized changes
• Post Notifications (Android 13+): Displays status notifications showing that military-grade volume protection is active
• Receive Boot Completed: Enables auto-start after device reboot to maintain continuous protection (optional, can be disabled in settings)
• Use Biometric: Allows you to use fingerprint/face unlock for professional app security (optional)
• Battery Optimization Exemption: Prevents Android from stopping the volume protection service to save battery, ensuring persistent operation

3. How We Use Your Information

We use the information collected for the following purposes:

• Core Functionality: To provide military-grade volume locking and professional protection features
• App Improvement: To understand how users interact with professional features (only if analytics are enabled)
• Bug Fixes: To identify and fix technical issues
• Advertising: To display relevant advertisements through Google AdMob
• Updates: To notify you when new versions are available

4. Data Sharing and Third-Party Services

4.1 Third-Party Services

VolumeGuard uses the following third-party services:

• Google AdMob: For displaying advertisements. View Google's Privacy Policy
• Google Analytics: For usage analytics (opt-in only). View Google's Privacy Policy

4.2 What We Don't Share

We do not:

• Sell your personal information to anyone
• Share your data with third parties except as described above
• Transmit your volume settings or app preferences to any server
• Require you to create an account or provide personal information

5. Data Storage and Security

VolumeGuard takes your privacy and security seriously with military-grade protection:

• Local Storage Only: All your settings are stored locally on your device using Android's EncryptedSharedPreferences
• No Cloud Sync: Your data is never transmitted to or stored on our servers - complete offline operation
• Military-Grade Encryption: Sensitive settings are encrypted using industry-standard security practices
• Biometric Security: Optional biometric authentication uses your device's secure hardware for professional protection
• Device Security Verification: Additional layer of security ensuring device integrity

6. Your Privacy Rights and Choices

You have complete control over your data:

• Analytics Control: Enable or disable analytics at any time in app settings
• Ad Preferences: Opt out of personalized ads through your device settings
• Data Deletion: Uninstalling the app completely removes all local data
• Clear Settings: Reset all preferences through the app settings menu

7. Children's Privacy

VolumeGuard is not directed to children under the age of 13. We do not knowingly collect personal information from children under 13. VolumeGuard is perfect for parents wanting to prevent children from changing volume levels, but we do not target children directly. If you are a parent or guardian and believe your child has provided us with personal information, please contact us.

8. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices or for legal, operational, or regulatory reasons. We will notify you of any material changes by:

• Posting the new Privacy Policy in the app
• Updating the "Effective Date" at the top of this policy
• Showing an in-app notification (for significant changes)

Your continued use of VolumeGuard after any changes indicates your acceptance of the updated Privacy Policy.

9. International Users

VolumeGuard is available worldwide. By using the app, you consent to the processing of your information as described in this Privacy Policy, regardless of where you are located. Third-party services like Google AdMob and Google Analytics may transfer data internationally in accordance with their privacy policies.

10. California Privacy Rights (CCPA)

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

• Know what personal information is collected
• Know if your personal information is sold or shared (we don't sell your information)
• Request deletion of your personal information
• Opt out of the sale of personal information (not applicable, as we don't sell data)

11. European Privacy Rights (GDPR)

If you are located in the European Economic Area (EEA), you have certain rights under GDPR:

• Right to Access: Request information about your data
• Right to Rectification: Correct inaccurate data
• Right to Erasure: Delete your data (uninstall the app)
• Right to Object: Object to data processing (disable analytics)
• Right to Data Portability: Since all data is local, you maintain full control

12. Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy or VolumeGuard's privacy practices, please contact us:

We will respond to your inquiry within 30 days.