Calculator - Secure Vault – Discreet encrypted vault disguised as a calculator

Summary: Calculator - Secure Vault functions as a normal scientific calculator but unlocks a zero-knowledge encrypted vault with a secret code. It encrypts data locally using AES-256-GCM without cloud storage, accounts, or tracking, allowing users to securely store photos, videos, and documents.

What it does

The app operates as a standard calculator until a secret code is entered, revealing a fully offline encrypted vault. It supports importing and organizing private files with instant re-lock and stealth features to keep data invisible.

Who it's for

It is designed for users seeking discreet, offline privacy for sensitive files without relying on cloud services or accounts.

Why it matters

It prevents exposure of private data by combining local encryption with a covert interface that avoids drawing attention.