AppLock Pro - App Lock & Guard
AppLock Pro - App Lock & Guard Summary
AppLock Pro - App Lock & Guard is a ad-supported, with in-app purchases Android app in the Productivity category, developed by App Lock LLC. First released 7 years ago(May 2018), the app has accumulated 155.6M+ total installs and 1.9M ratings with a 4.37★ (good) average rating.
Recent activity: 442K installs this week (2.5M over 4 weeks) showing steady growth , and 2K new ratings this week (6.5K over 4 weeks) with slowing momentum. View trends →
Advertising: We've tracked 1 ad creatives where this app is running paid user acquisition campaigns.
Data tracking: SDKs and third-party integrations were last analyzed on Dec 16, 2025. The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Dec 5, 2025.
Store info: Last updated on Google Play on Dec 11, 2025 (version 54701).
AppLock Pro - App Lock & Guard was last scanned for SDKs 2025-12-16. Below is the overview of third party companies detected in the app. The full list of raw SDKs, app permissions and unknown SDKs is available here.
ironSource
Amazon Advertisement
ByteDance
Unity
Airbnb Engineering
Google
Firebase
Square
RevenueCat
Singular4.37★
Ratings: 1.9M
Screenshots
App Description
Secure your apps with lock screens, use custom themes and different features.
Protect your apps and photos with AppLock Pro — a fast, secure, and easy-to-use app locker trusted by millions.
Whether you're guarding private messages, social media apps, or sensitive photos, Applock Pro keeps your data safe from intruders — with smart features like fingerprint unlock, spy camera, and customizable lock styles.
🔐 Top Features:
✔ Lock Any App
Secure WhatsApp, Instagram, Messenger, Gallery, Settings, and more using PIN, pattern, fingerprint (if supported), or KnockCode.
📸 Spy Camera Protection
Catch snoopers in the act! A secret photo is taken when someone enters the wrong password.
🧠 Fake Error Message
Trick intruders with a fake error screen instead of showing the app is locked.
🔕 Hide Notifications
Block or hide sensitive notifications from locked apps.
⏱ Lock Timer & Auto Re-Lock
Set AppLock to auto-disable during certain hours, or re-lock after a short break.
🚨 Spy Alarm
Trigger a loud alarm if the wrong password is entered multiple times.
🎨 Custom Themes
Change the look and feel. Set a custom background using your own gallery photos.
⚙️ Smart Settings
Lightweight and optimized for battery & RAM. Includes vibration, new app alerts, lock recent apps, and more.
🛡️ Lock Types:
Fingerprint (if supported by your device)
KnockCode – a unique and secure unlock method
Pattern – simple and fast
PIN – 4 to 8-digit password
📌 Frequently Asked Questions
Q: How do I prevent AppLock Pro from being uninstalled?
Lock system settings and enable “Hide Icon” for extra protection.
Q: Why are permissions needed?
We only request permissions necessary for advanced features like custom backgrounds.
Q: What if I forget my password?
Use your secret answer to reset it easily.
Q: Can I hide photos and videos?
Lock the Gallery app to block access to your media.
Q: How does the spy camera work?
After 5 failed password attempts, AppLock Pro snaps a front-camera photo and stores it securely.
Ready to protect your privacy?
Download AppLock Pro now and take control of your app security.