StealthLock

StealthLock is your ultimate privacy shield, built to safeguard your personal applications, private photos, videos, and confidential notes with MNC-grade security. Protect your device against unauthorized access, curiosity, and phone snoopers with instant app locking, hardware-backed vault encryption, stealth calculator disguise, and intruder selfies.

Whether you want to lock WhatsApp, Instagram, Banking apps, or Gallery, StealthLock provides seamless, lightning-fast protection without draining your battery or tracking your personal data.

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KEY FEATURES
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✓ Instant App Locking: Lock any installed application—including WhatsApp, Photos, Banking, Messages, and Settings—using PIN, Decoy PIN, or Biometric (Fingerprint/Face) authentication.
✓ AES-256 Encrypted Private Vault: Hide and encrypt private photos, videos, audio recordings, documents, and sensitive notes using hardware-backed AES-256-GCM encryption.
✓ Stealth Calculator Disguise: Transform the app icon into a fully functional scientific calculator launcher. Only entering your secret PIN unlocks your hidden dashboard.
✓ Intruder Alert Selfie: Automatically snap a hidden front-camera photograph whenever someone tries to unlock your protected apps with an incorrect PIN.
✓ Decoy Mode (Fake Vault): Set a secondary Decoy PIN to open a decoy dashboard under pressure, concealing your real private files and locked apps.
✓ Fake Crash Screen Disguise: Display a realistic "App Has Stopped" system crash dialog to confuse unauthorized users trying to open your locked apps.
✓ Uninstall Shield (Device Admin): Prevent unauthorized users or thieves from uninstalling StealthLock without entering your master security PIN.
✓ Smart App Categorization: Group your applications into Social, Financial, System, and Games for effortless one-tap batch protection.

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WHY CHOOSE STEALTHLOCK?
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🔒 100% Offline & Private: StealthLock operates entirely on your device. Zero external data upload, zero tracking, and zero cloud backups. Your private data remains 100% yours.
🔒 Salted PBKDF2 Password Hashing: Your security PIN is hashed using 10,000 iterations of PBKDF2 with random salts. Plain-text PINs are never stored anywhere.
🔒 Zero Battery Drain: Engineered with an optimized background isolate architecture that monitors app launches with virtually zero CPU overhead.

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PERMISSIONS TRANSPARENCY
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• Usage Access (PACKAGE_USAGE_STATS): Required to detect foreground app launches in real-time.
• System Overlay (SYSTEM_ALERT_WINDOW): Required to display the secure lock screen overlay on top of protected apps.
• Camera (CAMERA): Used exclusively for taking intruder selfies when wrong PINs are entered.
• Query Packages (QUERY_ALL_PACKAGES): Required to display installed applications so you can choose which apps to lock.

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DOWNLOAD STEALTHLOCK TODAY
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Take full control of your mobile privacy. Download StealthLock now and experience uncompromised, military-grade app protection!