App Lock - App security & privacy
Protect your apps effortlessly with advanced fingerprint, PIN, & pattern locking for ultimate security and peace of mind.

- 3.1 Version
- 1.4 Score
- 3M+ Downloads
- In-app purchases License
- 3+ Content Rating
App Lock serves to secure your applications and shield them from unauthorized access. You can utilize Pattern, Pin, and Fingerprint methods to safeguard your privacy. The App Lock - Fingerprint Lock offers enhanced features to protect you from intruders. With its user-friendly interface, our application locker ensures that your confidential information stays private and secure.
Key Features of Fingerprint Lock:
• Protect your applications using Fingerprint, PIN, and Pattern authentication.
• Easily lock specific apps to maintain your privacy.
• Keep chosen applications hidden from unwanted attention.
• Store sensitive images in a secure vault.
• Customize your lock screen with a variety of security methods.
• User-friendly and intuitive design for straightforward setup and usage.
• Intruder selfie feature to document anyone attempting to access your secured apps.
• Swift access to your apps with seamless unlocking functionalities.
The App Lock - Fingerprint Lock app includes several intriguing features:
Intruder Selfie:
Whenever someone tries to access your locked app, the Fingerprint lock app can automatically take a selfie and save it for your records.
Private Vault:
Select items such as Images, Videos, and Files that you wish to conceal. These will be hidden from your gallery within the app lock vault.
Icon Camouflage:
Alter the app icon to resemble other system applications, making it difficult for others to locate this app.
Uninstall Protection:
If you want to prevent anyone from uninstalling this fingerprint lock app, enable the advanced protection option found in the app's settings.
Multiple Lock Types:
The App Locker Fingerprint provides various locking options, including Fingerprint, Pin, and Patterns to secure your applications.
Customized Re-Lock Time:
You can easily adjust the re-lock timing of apps based on your preferences through the settings.
Sleek and Attractive UI:
A clean and sophisticated design facilitates easy navigation, making the app user-friendly and enjoyable to use.
Advantages of App Locker:
• You won’t have to worry about someone accessing private information in your apps.
• No need to be concerned about friends browsing your gallery or gaming using mobile data.
• You won’t have to fret about children sending incorrect messages or altering settings.
Administrator Permissions:
• To activate Advanced Protection, please set AppLock as "Device administrator."
• Lock permissions may be needed to offer a more convenient and reliable service.
If you are in search of a reliable and secure App Locker with an elegant and simple interface, consider downloading this App Lock - Fingerprint Lock that empowers you to secure and lock your applications against unauthorized access. The app gives you comprehensive control over your private data and ensures its continual safety and security.
【App Lock's Quantum Barrier Rampage Record】
I activated "Quantum Fingerprint Authentication" late at night, and my phone suddenly cracked with Klein Blue lines, and binary fireflies spewed out of the charging port - this is not an app lock, it's clearly the reincarnation of Cybertron's firewall. Since I accidentally turned on "Dimension Encryption", my Xiaomi 13U has become a sentry gun in a parallel universe: the WeChat icon on the lock screen interface is distorted into a smiling man in "Ghost in the Shell", and even Siri has switched to using the Terminator voice to announce "Access Denied".
■ Biometric authentication Dimensional rebellion
• Commuter horror: "Dynamic palm print lock" is activated when commuting on the subway, the gate scanner mistakenly identifies it as an alien creature, and the security inspector holds a quantum spectrometer to scan the whole body
• Metaphysical recognition: Boyfriend's facial recognition failure triggers "chaos encryption", the front camera generates "Men in Black" memory erasing flash in real time, and the date photo becomes mosaic slime
• Hardware awakening: After five consecutive fingerprint errors, the phone frame grows synaptically, and Huaqiangbei dealers are buying "living anti-theft organs" at high prices
■ Privacy safe box time and space folding
• The moment the "Dimensional Vault" is activated, the private photo album projects a holographic projection on the screen crack, and the girlfriend's nail art shows the hexadecimal code of the ex's chat record
• "Quantum camouflage" overload causes the Taobao APP icon to mutate into a calculator, and the shopping cart performs topological disappearance in the four-dimensional space
• The craziest is the "dynamic safe" - the weight loss selfie stored is quantum entangled with the barbecue bureau in the parallel universe, and the takeaway fried chicken is automatically coded into a salad icon
■ Chaos Theater of Intruder Hunting
• After the "time and space monitoring" function is turned on, a colleague peeping on the screen triggers the "Truman Show"-style God's perspective, and the OA system automatically pushes the "Workstation Laziness Holographic Documentary"
• "Selfie Anti-kill" overload causes the front camera to spray nano ink, and the subway pervert's shirt is permanently engraved with a "social death QR code"
• Party A's father tries to unlock the solution late at night, and the album suddenly shows the special effect of Sadako crawling out of the screen in "Midnight Ring", and the confidentiality agreement is automatically upgraded to a soul contract
■ Dimensional Anchoring of Uninstall Protection
• After the "Quantum Uninstall Barrier" is activated, the mobile phone turns into Odin's Eternal Spear, and the girlfriend's deletion action loops infinitely in time and space to become a reverse clip of "Tenet"
• "Disguise icon" mutates into system settings, electronic novices accidentally touch it and trigger the "Inception"-style multi-layered consciousness maze, and restoring factory settings becomes a false proposition
• The most socially deadly is the "anti-uninstallation alarm" - when parents try to uninstall "learning software", the family group broadcasts the awakening of the matrix in "The Matrix", and the router flashes Morse code for help
■ Multiple chains of reality distortion
• "Dynamic pattern lock" draws the trajectory of the Klein bottle, the unlocking interface is eternally reincarnated on the Möbius ring, and the overtime hours of workers fall into a negative black hole
• "Voiceprint authentication" mixes death metal roars, smart homes collectively run wild, and the air conditioner outdoor unit dances the "Heavy Metal Chronicle" mechanical dance
• Grandma mistakenly sets the "retro dial lock", the elderly phone materializes and grows a copper wheel, and the chess and card room of the nursing home is surprised to find "National Treasure"-level cultural relics
■ Interface disguise dimensionality reduction attack
• "Quantum Skin" uses the Cyber Neon theme, the lock screen interface leaks Shinjuku street holographic advertisements, and the health code is automatically replaced with the "Blade Runner" bionic man logo
• "Icon mimicry" overload causes Alipay to mutate into an electronic wooden fish, and consumption records are quantum Buddhist in the chanting sound
• Programmers turn on "code camouflage", the APP list shows the Linux terminal interface, and the girlfriend triggers a kernel panic blue screen during a surprise inspection
Now the mobile phone has become a Hermos dimension lock, and the 512G memory crystallizes the parallel universe privacy key. Although the boyfriend's facial recognition failed due to "quantum encryption", it must be admitted that when the boss is peeping at the screen with "intruder selfie", the surprised expression package in the album is more precious than the year-end bonus. (Cache the 666th permission runaway, waiting for OTA update "two-dimensional foil privacy patch") 🔒🌀
- Version3.1
- UpdateApr 27, 2025
- DeveloperSimple Android Tools Apps
- CategoryProductivity
- Requires AndroidAndroid 6+
- Downloads3M+
- Package Namecom.applock.applocker.lockapps.password.locker
- Signature7caadc63a5d10cd729c161aa983f030d
- Available on
- ReportFlag as inappropriate
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NameSizeDownload
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9.47 MB
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9.24 MB
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7.57 MB
Improved app security
Discreet usage for privacy
Easy to use interface
No excessive advertisements
Locks important apps from unauthorized access
Positive user feedback on functionality
Free to download
Quick response time in accessing locked apps
Features may block due to perceived harm
Unreliable performance at times
No fingerprint lock option available
Mixed user experiences
Potential for wasting time if app fails
Lack of customer support mentioned
Requires constant permissions that might invade privacy