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Calculator Vault and Applock Pro for Android

By usemysmartapp $1.99

Developer's Description

Calculator Vault Pro is a improved version of Calculator Vault to keep your precious pictures, videos, and files safe by hiding them in a password protected function look like a simple calculator.

- Key Features


Lock the app with a password or pattern lock to protect your privacy. e.g) Messenger, WeChat, Whatsapp and any other apps installed on your device.

- Support pin and pattern lock.

- Personalized with multiple app lock themes.

Safe Pictures Vault:

Keep your personal photos in safe space.

- Hide your pictures easily from a gallery, album or photos.

- Multiple Photo can be handled at a time.

- Fast and intuitive photo viewer.

Safe Video Vault:

Keep your personal Videos in safe space.

- Hide your videos easily from a gallery, album or videos.

- Watch Video.

- Keep snoopers away from private videos.

Safe File Vault:

Keep your personal File in safe space.

- Hide your any format files from built-in file explorer.

- View your files.

Intruder Selfie:

Catch the snoopers and capture selfie who try to access your app.

Trash Vault:

Keep file protected from accidentally deleted from calculator vault.

- Other useful features:

  • Face Down Lock: Face Down Phone will help you to perform chosen action in emergency situations when someone came suddenly. for example, close calculator vault app, open a website or open another app immediately.
  • Uninstall Protection: App support "Calculator Vault Pro App Protection" to prevent calculator vault from being uninstalled by kids or strangers.
  • Fake Cover Protection: You can even hide the fact that lock the app with fake error window.
  • Hide Icon: You can hide icon from app list and access by calling to custom number(4455)
  • Support sound and vibration effects.
  • No storage limitation for your hidden files if your phone memory has enough storage space.

This app uses the Device Administrator permission.


To prevent Calculator Vault being uninstalled, Calculator Vault need Device Administrator Permission and it never use any other Device Administrator permission except uninstall prevention.

----------Useful FAQ------------

Q). My hidden files are stored online?

A. No, your hidden files are stored inside phone locally.

Q). Got new phone or phone stolen or broken. Can I recover hidden files from old phone?

A. No, currently we do not support online backup of your hidden files so that you can not recover any of files from the old phone.

Q). How do I change app lock password?

A. Open your Calculator vault Pro first and select locked app then go to setting(top right corner) click on Change AppLock password option.

Q). When I was hiding my Icon, I forgot my password. What should I do?

A. Dial 4455 from phone dialpad to open Calculator Vault App Pro.

Q) I am not able to open my app after hiding my app. What should I do now?

A. Go to you phone security app(setting)-->apps-->permission-->Auto start-->enable autostart of Calculator Vault Pro.

IMPORTANT: Do not uninstall this app before unhiding your personal files otherwise it will be lost forever. Activate Uninstall Protection to prevent this app from being uninstalled by others especially kids.

Full Specifications

What's new in version 1.2

Forgot Password Issue Resolved

Now you will get your password via email, please update your email.


Release November 13, 2018
Date Added November 13, 2018
Version 1.2

Operating Systems

Operating Systems Android
Additional Requirements None


Total Downloads 123
Downloads Last Week 0
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