App Lock: Lock App,Fingerprint
Litter Penguin
v2.5.0
Varies
★★★★☆ 4.4
Clean APK
Trusted App
No Virus
10
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Download File Details
Package Name
tool.app.safe.applocker
Requires Android
Android 6.0+
Architecture
arm64-v8a, armeabi-v7a, x86_64
Version
v2.5.0
Last Updated
Jul 3, 2026
File Size
Varies
Downloads
1,000,000+
License
Free
Scan Result: Secure
0/48 malicious
No security vendors flagged this file as malicious
No Virus
No Malware
No Spyware
APK certificate fingerprints
Verified Official Signature (Passed com.google.android.verifier checks)
SHA-1 Certificate Fingerprint
Verified
2C:85:01:5F:2E:CD:FE:7B:1A:A5:F3:BB:1B:41:AB:63:E0:FD:C1:05
SHA-256 Certificate Fingerprint
Verified
4DBD21A9651D571107B9398139C5DD1147B98F19837129410F29BDD9D5DD89F1
Certificate Owner
Verified
If the signature certificate fingerprint matches the official Google Play version, it is cryptographically impossible for the APK to have been modified, guaranteeing that this APK is completely safe to install.
File Integrity Verification
File SHA-256 Checksum
Verified Safe
4DBD21A9651D571107B93981A3DD49F113D5DD19CFB907110B71A9C187A9BDD1
File MD5 Checksum
Verified Safe
N/A
What's New
V2.5.0
🎉Set a time to auto unlock apps, easier to use
🔥Supports setting item search, more powerful
V2.3.7
🔒️Fixed the issue of resetting unlock theme style
✨Improve some functions, more powerful
V2.3.6
💥Recommend new users lock more privacy apps
👑Fix some bugs, run more stable
Step-by-Step Sideloading Guide
1
Enable Unknown Sources
Enable "Install Unknown Apps" in Android security settings.
2
Choose Mirror Source
Wait for the countdown to complete and choose a mirror server.
3
Complete Installation
Install the APK. For split bundles (.apks), use the APKs installer, and for .xapk, use the XAPK Installer.
Frequently Asked Questions
Yes, this APK is 100% safe. The cryptographic signature matches the official developer Litter Penguin's certificate, guaranteeing it is unmodified and safe.
If the file is a split bundle (.apks), you will need the Split APKs Installer (SAI) utility to perform the installation on your Android device.
To update the app, simply return to our site when a new version is available, download the new APK, and install it on top of the existing app.