Comparison

Privacy Vault vs Dayvella

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Privacy Vault

Securely store and manage your private files with military-grade encryption. Protect photos, videos, documents, and more with advanced security features and multiple unlocking methods. Supports NAS integration for expanded storage.

Highlights
  • Military-grade AES-GCM encryption
  • Face ID/Touch ID unlocking
  • Comprehensive file management
  • Batch operations
  • NAS network storage support
  • Secure file preview
Features
Read full description

## 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.

About

Dayvella

Easily create and track countdowns for important dates like birthdays, anniversaries, and personal goals. Personalize your countdowns with custom titles and emojis, and view upcoming events at a glance with a clean, intuitive design.

Highlights
  • Unlimited countdown creation
  • Personalize with emojis and titles
  • View upcoming events
  • Minimalist and intuitive design
Features
Read full description

Dayvella keeps the dates that matter close. Count down to birthdays, trips and goals, or count the days since a meaningful moment. • Countdowns and days since • Repeating dates and flexible reminders • Home Screen and Lock Screen widgets • Colorful cards, quick templates and image sharing • Pin, archive and search your dates • iCloud sync, offline storage and JSON backups Previously named CountMyDays. Your existing dates stay with you.

Screenshots

Privacy Vault4 screens
Dayvella3 screens

Verdict

The call

The clearest difference is price: Dayvella at Free against Privacy Vault's $2.99. Privacy Vault's advantage is update cadence (every 11 days vs every 4 months) and iOS requirement (17.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Dayvella is free to download; Privacy Vault costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Privacy Vault ships an update every 11 days, Dayvella every 4 months. The most recent releases landed on October 8, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
Privacy Vault versus Dayvella: the parameters behind the verdict, then further details
ParameterPrivacy VaultDayvella
Price$2.99Free — better
Rating—5.0 (1 ratings) — better
Positive reviews33.3% of reviews—
Number of ratings—1 — better
Update frequencyEvery 11 days — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.0 — better26.0
Further details — not scored
Size22 MB14 MB
Age rating4+4+
DeveloperNAICAI LI峰 朱

Customer experience

Privacy Vault

Written reviews3 reviews
Positive33.3%
Neutral66.7%
Negative0.0%

Dayvella

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Privacy Vault

No in-app purchases

None

Dayvella

No in-app purchases

Questions

Is Privacy Vault free?
Privacy Vault costs $2.99, with no in-app purchases.
Is Dayvella free?
Dayvella is free to download, with no in-app purchases.
Do Privacy Vault or Dayvella have ads?
Neither Privacy Vault nor Dayvella shows ads.
Which is updated more often, Privacy Vault or Dayvella?
Privacy Vault ships an update every 11 days, and Dayvella every 4 months. Most recently, Privacy Vault was updated on October 8, 2026 and Dayvella on October 17, 2026.

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