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Android Apps > Tools > File Encryption: Secure Vault
File Encryption: Secure Vault icon

File Encryption: Secure Vault

by Crystal Digital Labs · Tools · Free
On Google Play since October 2026 · Data updated 2026-10-20
Google Play

File Encryption: Secure Vault is made and published by Crystal Digital Labs. AppBrain is an independent app data site and isn't affiliated with Crystal Digital Labs. The app name, icon, screenshots and description belong to Crystal Digital Labs and are shown as published on Google Play.

AppBrain's verdict

NewNiche
Installs
32
Last updated
October 18, 2026
Ads
No ads
Size
12.3 MB

File Encryption: Secure Vault came out 14 days ago. It is a niche app, with 32 installs. It doesn't have enough ratings yet to judge what users think.

User feedback

Ratings and reviews on Google Play

Comments on File Encryption: Secure Vault for Android

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Store listing

By Crystal Digital Labs, from Google Play

“AES-256 encrypted file vault with icon disguise. Persistent offline protection.”

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Screenshots by Crystal Digital Labs, from the Google Play listing
Description by Crystal Digital Labs Written by the developer, not by AppBrain. Click to read.
Protect your private photos, videos, and sensitive documents with File Encryption – a security-first offline vault.

Built on a Zero-Knowledge architecture, File Encryption locks files with AES-256-GCM encryption in the proprietary .armor format. Because your vault resides in persistent local storage, your encrypted files stay safe and recoverable even if the app is accidentally uninstalled.

💡 WHAT MAKES THIS APP UNIQUE?
• Survives App Uninstall: Unlike standard vault apps that delete your data upon uninstall, your .armor files remain safe in your local storage. Reinstall anytime, enter your master PIN, and your data is restored instantly.
• Corrupt & Junk to the Outside World: Encrypted .armor files become completely unintelligible. To file managers, OS scanners, and external apps, the file appears as unreadable, corrupted junk code that cannot be opened.
• All-in-One Professional Sandbox: Open and preview Excel spreadsheets, JSON code, and top 10 document formats natively—eliminating the need to install risky third-party viewers.
• 100% Offline & Zero-Knowledge: No user accounts, no cloud sync, and no tracking servers. Your encryption keys stay strictly on your device.

KEY FEATURES:

🛡️ Military-Grade AES-256-GCM Encryption
• Exclusive .armor Lock: Files can only be opened and reconstructed by this app. To all other software, the file appears as corrupt data.
• Batch Processing Engine: Encrypt hundreds of documents or media files simultaneously with zero system lag.

🎭 Functional Premium Disguises
• Hide in Plain Sight: Disguise the vault as a fully operational World Clock, Compass, Crystal Notes, Speedometer, or Network Speed Test.
• Travel & Utility Ready: Premium disguised interfaces function as real utility tools while keeping your private files hidden behind a secret trigger.

🔒 Isolated Professional Sandbox Viewer
• Universal Format Support: Preview Excel (.xlsx, .xls), JSON, PDFs, and top 10 professional documents directly inside the app.
• No Third-Party Viewers Needed: Eliminate data leaks caused by external document viewers or cloud caching.
• Zero Cache Leaks: Strictly isolated sandbox prevents OS thumbnails, clipboard caching, and data indexing.

📁 Persistent Offline Storage
• Accidental Deletion Protection: Encrypted .armor files stay safe even through app deletions and system cleanups.
• 100% Local Control: Your encrypted files remain on your device until you choose to delete them.

📲 Encrypted P2P Offline Transfer
• Air-Gapped File Sharing: Send encrypted files directly between devices without internet connection or cloud servers.

🚫 Zero-Knowledge Security
• No Accounts, No Tracking: No signups, no remote servers, and no telemetry.
• Complete Privacy: Your master keys and passwords never leave your device.

Download File Encryption today to experience uncompromising, unbreakable mobile privacy.

Recent changes:
- Enhanced stealth mode security to prevent accidental gesture unlocks.
- Improved touch recognition precision for camouflage access triggers.
- General performance improvements and minor bug fixes.
Official page on Google Play

Safety and technology

Found in the app by AppBrain
Ads
No ads
Price
Free
Libraries
?
App size
12.3 MB
Content rating
Everyone

Technologies used by File Encryption: Secure Vault

30 permissions
Subscribe to see full permission and library details

Releases

Updates seen on Google Play
Version
2.5.5.2
Launched
October 2026
  • Oct 18, 2026UpdateVersion 2.5.5.2
  • Oct 12, 2026New AppVersion 2.5.5.0 in TOOLS for Free
Show all changes Show fewer

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Installs

Tracked by AppBrain
Last 30 days
32
Play install range
10+
Launched
October 2026

Installs over time

File Encryption: Secure Vault has been installed 32 times. Over the past 30 days, it has been installed 32 times.

Rankings

Google Play top charts

Google Play Rankings for File Encryption: Secure Vault

This app is not ranked

About the app and developer

About File Encryption: Secure Vault

File Encryption: Secure Vault is a tools app developed by Crystal Digital Labs.

Install Statistics

File Encryption: Secure Vault has been installed 32 times. In the last 30 days, the app was installed 32 times.

User Ratings

The app has no ratings yet.

App Information

File Encryption: Secure Vault is freely available from Google Play. The app size is 12.27 MB. The latest version available is 2.5.5.2. The last update was on October 18, 2026.

Technical Requirements

The app has a content rating of Everyone. The app has been available on Google Play since October 2026.

App Performance Report

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Developer information for Crystal Digital Labs

Crystal Digital Labs

crystal.dev@zohomail.in

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Frequently asked questions about File Encryption: Secure Vault

Is File Encryption: Secure Vault free?

Yes. File Encryption: Secure Vault is free on Google Play.

Is File Encryption: Secure Vault still available?

Yes. File Encryption: Secure Vault is on Google Play, and the last update we saw was on October 18, 2026.

Does File Encryption: Secure Vault contain ads?

No. Google Play does not list File Encryption: Secure Vault as containing ads.

How large is File Encryption: Secure Vault?

File Encryption: Secure Vault is 12.27 MB.

Is File Encryption: Secure Vault suitable for children?

Google Play rates the content of File Encryption: Secure Vault as suitable for everyone.

How many times has File Encryption: Secure Vault been installed?

Google Play lists 10+ installs for File Encryption: Secure Vault.

Who made File Encryption: Secure Vault?

File Encryption: Secure Vault was developed by Crystal Digital Labs. It is listed in the tools category on Google Play.

What are the best alternatives to File Encryption: Secure Vault?

People looking at File Encryption: Secure Vault also look at these tools apps: Encrypt Decrypt File, File Vault - Hide your files, Lockify – Hide & Encrypt Files, Photok - Secure Photo Vault, Hidden Vault - Hide Photos.

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