Calculator Vault - App Lock is a professional free app for all Android users to protect privacy and download video.

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

Fast download videos, music and photos from the Internet and hide them behind calculator. All formats are supported. 100% free!

Free offline diary journal support adding photos and videos, lock your diaries behind Calculator Vault safely!

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


What can Calculator Vault - App Lock do:

🚀 Fast and Easy Video Downloader
- All download formats supported, mp3, m4a, mp4, m4v, mov, avi, wmv, doc, xls, pdf, txt, etc
- Play videos offline with the built-in player
- Private browser allows you to browse without leaving any traces
- Background download and multiple downloads supported
- Powerful Video Downloader,High-speed download and Large files supported
- Calculator Vault - App Lock auto detects videos
- Download HD videos with just one click
- All files Calculator Vault downloaded will be in hidden space with calculator password protection.

🔒 Lock Photos, Videos, Audios, and Documents
- Use MD5 encryption algorithm to fully protect your data
- Lock all formats of files, PNG, 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

🔒 Diary Lock ,Lock your daily journal
- Wirte your private diary,record daily diary, secret thoughts, journeys, moods, and any private moments
- Use Calculator Vault - App Lock as a journal app which support adding pictures and videos
- Free offline diary journal with lock, hide your daily journal behind a calculator

# 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.

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

UPCOMING FEATURES:
- Private Contact - hide your private contact
- Music Player - play your music easily
- Themes - custom your own private space with rich themes
…

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

Important Notes:
•Calculator Vault - App Lock App does not belong to any social media sites and is not authorized by them
•Any violations of intellectual property rights and unauthorized actions (re-uploading or downloading of contents) are the sole responsibility of the user

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