SudoKey: Secret Photo Vault

Why SudoKey? Beyond Calculator Vaults: Snooping eyes and parents immediately recognize fake calculator apps. Nobody suspects a daily Sudoku game. 100% Real Logic Engine: Handcrafted daily puzzles, four difficulty tiers, error checking, and note taking—so it holds up under real inspection. Stealth PIN Entry: Input your secret sequence directly into the puzzle grid to unlock your private space without anyone knowing. Decoy Vault System: Enter an alternate passcode to display an innocent decoy space if forced to open the app. Military-Grade Encryption: Zero-knowledge AES-256 chunked encryption keeps your photos, videos, notes, and documents strictly on your device.

Initial Production Release of SudoKey! • Handcrafted daily Sudoku brain puzzles with notes mode, timer, and detailed stats. • Stealth Passcode: Unlock your secret vault directly from the puzzle grid. • Military-grade AES-256 local storage for private photos, videos, notes, and files. • Break-in intruder detection with silent selfie capture. • Plausible deniability with secondary Decoy Vault PIN. • 100% Zero-Knowledge on-device encryption.