Privacy Vault vs BackupFlow

## Your Digital Privacy Guardian Privacy Vault is a professional-grade private file management application designed specifically for iOS. It employs military-grade AES-GCM encryption technology to provide bank-level security protection for your sensitive files. ## Core Functions ### Military-Grade File Encryption * AES-GCM Encryption Algorithm: Military-grade encryption standard using a 256-bit key. * PBKDF2-SHA256 Key Derivation: 100,000 iterations to ensure password security. * Random Salt Generation: Generates a 32-byte random salt for each encryption, preventing rainbow table attacks. * Individual File Passwords: Each file can have an independent password for double protection. ### Multiple Unlocking Methods * Face ID / Touch ID: Biometric unlocking. * Numeric Password: Supports strong password strategy verification. * Smart Authentication: Automatically selects the best unlocking method based on device capabilities. ### Comprehensive File Management * Multi-Format Support: Supports all formats including images, videos, documents, and audio. * Folder Management: Create, rename, move, and delete folders. * Batch Operations: Batch encryption, decryption, move, and rename. * Smart Search: Multi-condition search and tag system. ### Convenient Import Function * File Import: Supports importing all file types. * **Photo Import:** Batch import of multiple photos and videos. * **Photo Import:** Directly capture and save photos to the vault. * **Keep Original Names:** Automatically preserves original filenames. ### Secure Preview System * **Encrypted File Preview:** Preview encrypted content by entering a password. * **Multi-Format Support:** Preview images, videos, PDFs, and audio. * **Temporary Decryption:** Automatically cleans up temporary files after previewing. * **QuickLook Integration:** System-level preview experience. ### NAS Network Storage Support * **Multi-Protocol Support:** Supports three mainstream network storage protocols: SMB, FTP, and WebDAV. * **Quick Connection:** One-click connection to home NAS, enterprise file servers, and cloud storage services. * **Secure Transfer:** Supports encrypted connections (SMB encryption, FTP over SSL/TLS, HTTPS). * **File Synchronization:** Supports downloading files from the NAS to the local vault or uploading encrypted files to the NAS. * **Online Browsing:** Directly browse NAS files and preview them without downloading. * **Password Management:** Automatically saves connection passwords to the Keychain for security and convenience. * **Multi-Server Management:** Supports simultaneous connection to multiple NAS devices. Server Switching, Fast ### Personalization * Theme System: Multiple preset themes and custom colors * Interface Enhancement: Modern UI design, smooth animations * Storage Monitoring: Real-time disk space usage * Statistics: File count, encryption status statistics ## Security Features * Local Storage: All data is stored locally, never uploaded to third-party servers * Sandbox Protection: Strictly adheres to iOS sandbox security mechanisms * Memory Protection: Sensitive data is immediately cleared after use * Background Lock: App automatically locks for protection when entering the background ## Applicable Scenarios * Personal Privacy: Protection of private photos, videos, and documents * Business Documents: Encryption of contracts, agreements, and financial statements * Learning Materials: Management of important notes, certificates, and documents * Creative Works: Protection of design drafts, code, and creative documents ## Why Choose Us * Professional-Grade Encryption: Uses bank-grade AES-GCM encryption algorithm * Multiple Protections: Biometric identification, digital passwords * User-Friendly: Modern interface, simple and intuitive operation * Privacy First: Local storage, never uploaded to third-party servers * Continuous updates: Regular updates and continuous optimization of the user experience.

Take control of your photos and videos! BackupFlow is a powerful and reliable app that automatically backs up your iOS photos and videos to your own server. Keep your data completely under your control without depending on big tech cloud services. Key Features: Automatic Scheduled Backups Set daily, weekly, or monthly backup schedules. BackupFlow automatically runs at your specified times and uploads new photos to your server. Thanks to iOS background processing technology, backups continue even when your phone is locked. Multi-Protocol Support • FTP/FTPS: Traditional and secure FTP protocols • WebDAV/WebDAVS: Modern web-based file transfer protocol • HTTP/HTTPS: Flexible connection options Smart File Management BackupFlow intelligently detects which files have already been backed up. It performs name checking for large files and size + name checking for smaller files, preventing unnecessary data transfer. This saves both bandwidth and time. High Performance • Seamlessly uploads large video files (100MB+) • Background upload support • Automatic retry on network interruptions • Fast file comparison algorithms Security and Privacy Your data never goes to third-party servers. All backups are made directly to your designated server. With FTPS and HTTPS support, your data is transferred encrypted. User-Friendly Interface Simple and intuitive design that anyone can use easily. With English language support and detailed backup reports, you can always track what's happening. Advanced Features • Orphan file cleanup • Detailed backup history • Status tracking with notifications • Flexible scheduling options • Multi-task management Ideal For: • Photographers and video producers • Privacy-conscious users • Users with their own servers • Those with large file collections • Anyone seeking automatic backup solutions System Requirements: iOS 17.0 and later. Works with any server supporting FTP, WebDAV, or HTTP protocols. Why Choose BackupFlow: Unlike cloud services that limit storage space and charge monthly fees, BackupFlow gives you complete freedom. Upload unlimited content to your own infrastructure without restrictions or ongoing costs. Technical Excellence: Built with modern iOS technologies including BGTaskScheduler for reliable background execution. The app handles network interruptions gracefully and provides detailed logging for troubleshooting. Take control of your photo and video security with BackupFlow. No more cloud service limitations – back up as much content as you want to your own server.