Calc+ Vault

Calc+ Vault is a fully functional calculator that also protects your most sensitive files with AES-256 encryption. Enter your PIN on the calculator keypad to unlock a private vault — only you know it's there. ENCRYPTED VAULT • Notes, photos, videos, contacts, and documents stored with AES-256 encryption • Files never leave your device unencrypted • Biometric unlock — fingerprint or face in addition to your PIN • Decoy PIN opens a separate empty vault for peace of mind PRIVATE BROWSER • Built-in browser that leaves no history, cache, or cookies • Session data wiped automatically when you close the tab ENCRYPTED MESSAGING (Pro) • End-to-end encrypted text and media with other Calc+ Vault users • Messages stored encrypted on-device; only you and your contact can read them ENCRYPTED VAULT CALLS (Pro) • WebRTC vault-to-vault audio calls, encrypted end-to-end • No phone number revealed to the other party OUTBOUND CALLS (Ultimate) • Call any US or Canada number from a shared toll-free line • Your real number stays private CLOUD BACKUP (Pro) • Encrypted sync across your devices — the cloud only ever stores ciphertext • Restore your vault on any device you sign in to SECURITY DETAILS • AES-256 encryption at rest via Android EncryptedSharedPreferences and EncryptedFile • PIN never stored in plaintext • Vault auto-locks the moment the app leaves the foreground • Decoy PIN reveals a separate empty vault; your real vault stays protected Free tier includes notes, photos, videos, contacts (up to 5 each), and documents (up to 5). Pro and Ultimate unlock unlimited storage, messaging, encrypted calls, and outbound calling (US and Canada only).

• Easier navigation: vault tabs now scroll and labels display in full • Introductory pricing now shows on the subscription screen • Upgrade from Pro to Ultimate directly in the app • Improved layout on Android 15 and later, with content clear of the navigation bar and keyboard • Support for the latest Android devices • Performance and stability improvements