Calculator Box is a completely free solution that lets you hide unlimited pictures and videos on your Android device. If you’re looking for a secret locker to keep your personal files private, this is the app you can’t afford to miss. With Smart Calculator Plus installed, your gallery stays secure and you can hand your phone to friends or family without worry.
Top Features
Hide Pictures & Videos – Your files are encrypted and only visible inside the app after you enter the correct password in the smart calculator interface.
Safe Browser – Browse the web with a protected browser that lets you download photos and videos directly into the hidden vault. Bookmark your favorite sites for quick access.
App Lock – A robust locking system secures private and social apps, and on compatible devices you can use fingerprint authentication for extra protection.
Advanced Features
Disguised Icon – The Gallery Lock icon vanishes and is replaced by a covert G‑Scanner icon. You can also launch the app from Settings → Apps → Gallery Lock → MANAGE SPACE without any visible icon.
Share to Hide – Send pictures or videos from your phone’s gallery or SD card straight to Gallery Lock to conceal them instantly.
Fake Vault – Create an additional vault with a separate password to store decoy photos and videos, adding a layer of misdirection.
Face‑Down Lock – Define an action for when your device is placed face down, such as closing the app, opening a website, or launching another app in an emergency.
Fake Cover – Mask the lock screen with a fingerprint scanner simulation and a fake force‑close dialog to deter unauthorized access.
Intruder Selfie – The app automatically snaps a photo of anyone who tries to break in by entering the wrong password or pattern.
Built‑In Viewer & Player – Enjoy a seamless image viewer with slideshow transitions and a video player that works with any media app installed on your phone.
Uninstall Protection – Prevents children or strangers from removing the Secret Gallery Lock app. The app uses Device Administrator and Accessibility permissions to enforce this safeguard.
Quick Tips
To change your PIN quickly, open the Settings tab and select Change Password.
After hiding media, use the Export icon in Gallery Lock to restore your files whenever you need them.
Adjust the slideshow interval easily from the Settings tab.
Make the vault lock screen vibrant with the Theme icon to keep the experience fresh.
FAQ
Q: If I uninstall the app, can I recover my pictures by reinstalling it?
A: Reinstallation cannot restore deleted files. Always unhide and back up your hidden media before uninstalling.
Q: What happens if my phone is lost or damaged?
A: Your files are stored locally on the device and are not uploaded to any online service.
Q: Can I export my media from the photo and video locker?
A: Yes. Exporting is straightforward—just follow a few simple steps within the app.
Q: Are photos and videos stored together or separately?
A: You can hide photos in the photo locker and videos in the dedicated video locker inside the app.
Q: I forgot my password. How can I regain access?
A: Use the password recovery feature by entering 7777 followed by the “=” button in the Calculator App. A recovery link will be sent to your registered email address.
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