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 Productivity by App Lock LLC. Released in May 2018 (8 years ago). It has about 186.5M+ installs and 2M ratings with a 4.57★ (excellent) average. Based on AppGoblin estimates, it reaches roughly 5.5M monthly active users and generates around $500K+ monthly revenue (46% IAP / 54% ads). Store last updated Jun 17, 2026
Recent activity: 254.3K installs this week (1.8M over 4 weeks) showing declining growth , and 2.5K new ratings this week View trends →
Advertising: AppGoblin has tracked 62 ad creatives this app uses for paid user acquisition across ad networks.
SDK intelligence: AppGoblin detected 21 ad networks(e.g. Facebook), 7 development tools, 4 business tools, 3 mediation, 2 analytics: product,and 1 analytics: attribution integrated into AppLock Pro - App Lock & Guard. View full SDK list →
Data tracking: The app's network data flows (API traffic to/from the app and its SDKs) were last crawled on Aug 6, 2025.
AppLock Pro - App Lock & Guard SDKs Summary
AppLock Pro - App Lock & Guard was last scanned for SDKs on 2026-06-20. Below is the overview of third-party companies detected in the app. The full list of SDKs, permissions and unknowns is available here.
AppGoblin saw AppLock Pro - App Lock & Guard uses 4 Business Tools
RevenueCat
Zendesk
AppHarbrAppGoblin saw AppLock Pro - App Lock & Guard uses 7 Development Tools
Kotlin
Bumptech
Airbnb Engineering
UnityAppGoblin saw AppLock Pro - App Lock & Guard uses 21 Ad Networks
Facebook
VK
Google
ironSourceAppGoblin saw AppLock Pro - App Lock & Guard uses 1 Analytics: Attribution
SingularAppGoblin saw AppLock Pro - App Lock & Guard uses 3 Mediation
AppLovin
AdMobAppGoblin saw AppLock Pro - App Lock & Guard uses 2 Analytics: Product
Firebase
Amplitude4.57★
Ratings: 2M
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.