Calculator Lock - Photo Vault is a professional free app for all Android users to protect privacy.

Easily hide files of all formats such as JPEG, GIF, PNG, SVG, DOC, PPT, MP4, MKV, and RAW. Keep your photos, videos, audios, and documents 100% safe and confidential!

No one can view your privacy without permission! Download and try it now!


What can Calculator Lock - Photo Vault do:

🔒 Lock Photos, Videos, Audios, and Documents
- Use MD5 encryption algorithm to fully protect your data
- Lock all formats of files, JPG, GIF, DOC, PDF, M4A, MP4, MP3, RAW, etc.
- Hidden files will no longer show up in gallery or other apps
- Safely view hidden photos/videos with the built-in player & viewer
- No file size limit

🔒 Lock Apps with Fingerprint, PIN, or Pattern Lock
- Use AES encryption algorithm to strongly safeguard your apps
- Lock all social media, WhatsApp, Instagram, Facebook, etc., no one can peek at your chats
- Calculator Lock fully protects your Contacts, Gallery, Messages, etc., from prying eyes
- Lock Google Pay, Paypal, etc. to avoid accidental payments and prevent your kids from buying games

# Intruder Selfie
If someone enters the wrong password a certain number of times, this Photo Vault will automatically take a photo of him/her. Let you know clearly who wants to break into your secret calculator vault!

# Icon Disguise
With system-like icons, Calculator Lock can perfectly disguise itself as a normal calculator or browser. No one else will be aware of this private space except you.

# Fake Space
You can create different fake spaces by setting different fake passwords to prevent others from seeing your data in your real vault.

# Simple Calculator
It is also a simple calculator that provides all regular calculator functions.


MORE FEATURES:
- Hide pattern drawing path
- Random numeric virtual keyboard
- Customizable relock time
- Lock newly installed apps with one click

UPCOMING FEATURES:
- Cloud backup - back up all your data to the cloud
- Private browser - no one can read your browser history without password
- Cleaning function - easily clean junk files or duplicate files in your phone
…

FAQ:
Q1: What if I forgot my password?
1. If you have set up a recovery email, you can send a verification code to your email to help reset the password;
2. Or you can enter the given code on the unlock page to reset the password.

Q2: Will hidden files be lost after uninstalling the app?
As long as you don't delete the files locally, they are still on your device. After reinstalling the app, they will automatically be restored in Calculator Lock - Photo Vault.

If you are looking for a photo vault to protect your private photos and videos, Calculator Lock is your best choice! It is not only a normal calculator but also a powerful app lock. Let this secret calculator be your privacy guard!

Permission Needed:
Calculator Lock requires All Files Access permission to encrypt your private photos, videos, doc, etc. Please rest assured that this permission will never be used for any other purpose.

Contact Us:
If you have any questions or concerns, please feel free to contact us via email: hideitfeedback@gmail.com.