About 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...
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.
🔒 Four ways to lock your apps
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Fingerprint lock — unlock instantly with your fingerprint sensor
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Face unlock — unlock securely using your front camera
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Pattern lock — draw your custom unlock pattern
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PIN lock — 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.
🛡 Protect any app
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.
🔐 Smart security
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Stealth mode — hide pattern dots so no one can watch you draw. Invisible pattern lock keeps your password safe from shoulder surfers
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Lock App Lock itself — prevent others from changing your security settings or disabling protection
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Auto-start on boot — protection resumes automatically after every restart. No need to reopen the app
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Real-time guard — locked apps are challenged with a password screen instantly when opened
🎨 Beautiful and personal
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Dynamic colors — each lock screen adapts to the app's icon colors
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Dark, light, or system theme — follows your preference automatically
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Sound and vibration — tactile and audible feedback on every interaction
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Pin favorites — swipe to pin apps to the top for quick management
⚡ Lightweight
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.
🔒 100% offline privacy
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.
❓ FAQs
Q: How do I set up face unlock?
A: Open App Lock → Settings → Lock type → Face recognition. Requires a front camera.
Q: How do I change or switch my lock type?
A: Open App Lock → Settings → Choose PIN code or pattern. Switching does not remove your locked apps.
Q: What is stealth mode?
A: It hides the dots while you draw your pattern, so no one nearby can see it. Enable in Settings.
Q: Does it work after a restart?
A: Yes. App Lock starts automatically on boot.
Q: How does fingerprint unlock work?
A: A fingerprint icon appears on the lock screen automatically if your device has a sensor. Just touch it.
Q: How do I pin an app?
A: Swipe right on any app to pin it to the top of the list.
Q: Is my face data uploaded anywhere?
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.
Previous Versions
Here you can find the changelog of App Lock - Fingerprint Pattern since it was posted on our website on 2016-10-14 15:53:10.
The latest version is 5.71 and it was updated on 2026-06-11 23:14:10. See below the changes in each version.
App Lock - Fingerprint Pattern version 5.71
Updated At: 2026-04-16
Changes: What's new in App Lock v5.71:
• Fixed a startup crash for users upgrading from older versions
• Switched locked-app storage to a more reliable format
• Other stability improvements
Thank you for using App Lock! If you enjoy the app, please leave us a rating.
App Lock - Fingerprint Pattern version
Updated At: 2026-04-12
App Lock - Fingerprint Pattern version 5.08
Updated At: 2022-04-20
Changes: Fix bugs
App Lock - Fingerprint Pattern version 4.14
Updated At: 2019-12-27
Changes: Fix split screen bug
Support Android Nougat
Beautiful User Interface
App Lock - Fingerprint Pattern version 2.001
Updated At: 2016-09-12
Changes: Support Android Nougat,Beautiful User Interface,Fix bugs
Disclaimer
External Download
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