🔐 Privacy Policy

📋Overview

SecureVault Calculator ("we," "our," or "the app") is committed to protecting your privacy and ensuring the security of your personal information. This Privacy Policy explains how our calculator and secure vault application handles your data and protects your privacy.

📊Information We Do NOT Collect

SecureVault Calculator operates on a strict "zero data collection" policy. We do not collect:

• Personal Information: Names, email addresses, phone numbers, or any identifying information
• Usage Analytics: App usage patterns, feature interactions, or behavioral data
• Device Information: Device identifiers, hardware specifications, or system information
• Location Data: GPS coordinates, location history, or geographical information
• Network Data: IP addresses, network configurations, or connectivity information
• Vault Contents: Files, photos, videos, documents, or any content stored in your secure vault
• Calculator History: Mathematical calculations or computation history
• Biometric Data: Fingerprints, facial recognition data, or other biometric identifiers

💾Local Data Storage

All data in SecureVault Calculator is stored locally on your device using advanced encryption:

🔐 Encrypted Local Storage

• Vault Files: All files stored in your secure vault are encrypted using AES-256 encryption and stored locally on your device
• App Settings: User preferences and app configurations are stored locally using Android's encrypted shared preferences
• Authentication Data: PIN codes and biometric authentication data are stored securely using Android Keystore
• Calculator History: Mathematical calculations are stored locally in an encrypted database

🔒Security Measures

We implement multiple layers of security to protect your data:

🛡️ Encryption & Protection

• AES-256 Encryption: All vault contents are encrypted using industry-standard AES-256 encryption
• SQLCipher Database: App database is encrypted using SQLCipher technology
• Android Keystore: Authentication credentials are protected using Android's hardware-backed keystore
• Biometric Authentication: Support for fingerprint and face unlock (processed locally)
• Intruder Detection: Failed login attempts are logged locally for security monitoring
• App Lock: Automatic app locking when inactive

🚫 Anti-Tampering Features

• Screenshot prevention in secure areas
• App hiding and disguise as calculator
• Fake vault functionality for additional security
• Secure file deletion with overwriting

📱App Permissions

SecureVault Calculator requests only essential permissions necessary for core functionality:

📋 Required Permissions

• Camera: To capture photos and videos for secure storage in your vault
• Storage/Files: To import files into your vault and export vault backups
• Biometric/Fingerprint: To enable biometric authentication (optional)

🔍 How Permissions Are Used

• Camera: Photos and videos are captured and immediately encrypted before storage. No data is transmitted
• Storage: Used only to read files for import and write encrypted backup files. No scanning or monitoring of other files
• Biometric: Authentication is processed entirely on-device using Android's secure biometric APIs

🌐Network & Internet Usage

SecureVault Calculator operates in complete offline mode:

• No Internet Required: The app functions entirely offline and does not require internet connectivity
• No Data Transmission: No data is ever sent to external servers, cloud services, or third parties
• No Analytics: No usage analytics, crash reports, or telemetry data is collected or transmitted
• No Advertisements: The app contains no ads, tracking pixels, or third-party advertising networks
• No Updates Check: The app does not automatically check for updates or communicate with external servers

👶Children's Privacy

SecureVault Calculator is designed to be safe for users of all ages:

• COPPA Compliance: We do not knowingly collect personal information from children under 13
• No Data Collection: Since we don't collect any personal data, there are no privacy concerns for younger users
• Parental Guidance: Parents can safely allow children to use the calculator function
• Educational Use: The calculator can be used for educational purposes without privacy concerns

🔄Data Backup & Export

You have complete control over your data:

📤 Export Features

• Vault Export: Create encrypted ZIP backups of your entire vault
• Selective Export: Export specific files or folders
• Local Storage: All exports are saved to your device's local storage
• Encryption Maintained: Exported data remains encrypted for security

📥 Import Features

• Vault Import: Restore from previously exported vault backups
• File Import: Add new files to your vault from device storage
• Format Support: Support for images, videos, documents, and audio files

⚖️Your Rights

Since we don't collect your personal data, traditional data protection rights don't apply in the usual sense. However, you have complete control:

• Data Ownership: You own all data stored in the app
• Data Control: You can add, modify, or delete any data at any time
• Export Rights: You can export your data in standard formats
• Deletion Rights: You can permanently delete the app and all associated data
• No Tracking: There's no user profile or tracking to opt out of

🔄App Updates & Changes

Information about how updates affect your privacy:

• Privacy Policy Updates: Any changes to this privacy policy will be reflected in app updates
• Feature Updates: New features will maintain the same privacy-first approach
• Security Updates: Regular security improvements to protect your data
• Notification: Significant privacy policy changes will be highlighted in update notes

🛡️Third-Party Services

SecureVault Calculator operates independently:

• No Third-Party SDKs: The app does not integrate any third-party analytics, advertising, or tracking SDKs
• No Cloud Services: No integration with cloud storage or backup services
• No Social Media: No social media integration or sharing features
• No External APIs: The app does not communicate with any external APIs or web services

🌍International Users

Privacy protection for users worldwide:

• GDPR Compliance: Fully compliant with European data protection regulations
• CCPA Compliance: Meets California Consumer Privacy Act requirements
• Global Standards: Adheres to international privacy best practices
• No Data Transfer: Since no data is collected, there are no international data transfer concerns