App Lock - Fingerprint Pattern

A top-rated app lock trusted by millions. Protect any app with fingerprint, face unlock, pattern, or PIN code. Beautiful lock screens that match each app's colors. Fast, lightweight, and 100% offline — your biometric data never leaves your device.

<b>🔒 Four ways to lock your apps</b>

✔ <b>Fingerprint lock</b> — unlock instantly with your fingerprint sensor
✔ <b>Face unlock</b> — unlock securely using your front camera
✔ <b>Pattern lock</b> — draw your custom unlock pattern
✔ <b>PIN lock</b> — enter a secure numeric passcode

Switch between lock types at any time. Use fingerprint or face as a fast secondary unlock alongside your pattern or PIN. Supports biometric authentication on all modern Android devices with a fingerprint scanner or face sensor.

<b>🛡 Protect any app</b>

Lock social media, messaging, email, banking, gallery, camera, browser, or any app on your phone — WhatsApp, Instagram, Snapchat, Facebook, TikTok, Telegram, Chrome, YouTube, Photos, and more. One tap to lock, one tap to unlock. Use it as an app protector, a privacy lock for sensitive apps, or a parental control tool to keep children out of apps they shouldn't access. Perfect for keeping your private photos, secret chats, and personal data hidden from prying eyes.

<b>🔐 Smart security</b>

• <b>Stealth mode</b> — hide pattern dots so no one can watch you draw. Invisible pattern lock keeps your password safe from shoulder surfers
• <b>Lock App Lock itself</b> — prevent others from changing your security settings or disabling protection
• <b>Auto-start on boot</b> — protection resumes automatically after every restart. No need to reopen the app
• <b>Real-time guard</b> — locked apps are challenged with a password screen instantly when opened

<b>🎨 Beautiful and personal</b>

• <b>Dynamic colors</b> — each lock screen adapts to the app's icon colors
• <b>Dark, light, or system theme</b> — follows your preference automatically
• <b>Sound and vibration</b> — tactile and audible feedback on every interaction
• <b>Pin favorites</b> — swipe to pin apps to the top for quick management

<b>⚡ Lightweight</b>

Runs quietly in the background. Minimal battery and memory usage. No slowdowns, no interference with other apps. A secure, reliable app locker you can trust every day.

<b>🔒 100% offline privacy</b>

All credentials and passwords stay on your device. Face recognition uses an embedded AI model — no photos, no biometric data, and no information of any kind is sent to external servers. No account required, no sign-up, no cloud storage. Your privacy is not a feature, it is the default.

<b>❓ FAQs</b>

<b>Q: How do I set up face unlock?</b>
A: Open App Lock → Settings → Lock type → Face recognition. Requires a front camera.

<b>Q: How do I change or switch my lock type?</b>
A: Open App Lock → Settings → Choose PIN code or pattern. Switching does not remove your locked apps.

<b>Q: What is stealth mode?</b>
A: It hides the dots while you draw your pattern, so no one nearby can see it. Enable in Settings.

<b>Q: Does it work after a restart?</b>
A: Yes. App Lock starts automatically on boot.

<b>Q: How does fingerprint unlock work?</b>
A: A fingerprint icon appears on the lock screen automatically if your device has a sensor. Just touch it.

<b>Q: How do I pin an app?</b>
A: Swipe right on any app to pin it to the top of the list.

<b>Q: Is my face data uploaded anywhere?</b>
A: No. All face processing runs locally. Nothing leaves your device.

Whether you need a fingerprint lock app, a face lock app, a pattern lock screen, or a simple PIN locker — App Lock has you covered.

Download App Lock now and protect your privacy in seconds.