Calculator Vault - SecureVault

A private photo and file vault behind a working calculator. Keep photos, videos, documents and notes in an encrypted vault on your phone. Set up your calculator code and vault password, then choose your first file using the guided import screen. YOUR FIRST PRIVATE FILE 1. Set your calculator code and a separate vault password 2. Open the vault and tap Choose a file 3. Pick a photo, video or document 4. Open the encrypted copy from your vault Importing creates a copy. The original stays where it is. Check the saved copy before removing the original yourself if you want it only in the vault. PHOTOS, VIDEOS, DOCUMENTS AND NOTES • Save files in an encrypted vault on this phone • Organise them in folders and rename, move, copy or share files • View photos and videos inside the vault • Use the secure camera to save new captures directly to the vault • Write private notes A WORKING CALCULATOR • Scientific functions, percentages, powers, square roots and trigonometry • Calculation history and copy result • Light and dark themes with Material You colours • Enter your calculator code and press equals to open vault authentication LOCK AND PRIVACY CONTROLS • AES-256-GCM encryption with keys protected by Android Keystore • Separate vault password and biometric unlock on supported devices • Auto-lock after inactivity • Options to block screenshots and hide the vault from recent apps • Optional recovery question for a forgotten vault password • Panic lock by shaking the phone or placing it face down Vault files stay on your device. The app does not upload them to a cloud service. Keep backups of anything important before changing phones or uninstalling the app. BATCH TOOLS AND PREMIUM Select multiple files to share, move or delete together. When a rewarded video is available, you can choose to watch it for temporary access to batch tools for 30 minutes in the current app session. Premium is a one-time purchase with no subscription. It permanently unlocks batch tools, a decoy vault and intruder selfie, and removes ads. The free version displays Google AdMob ads, including on the calculator, vault, unlock and settings screens. Rewarded videos are optional. Privacy and customization options may also offer a stated temporary reward before playback. Questions or ideas? Contact us using the email address on this Play Store listing.