App Lock 9.0.0

Smart Mobile Tools – Freeware – Android iOS
out of 89629 votes

Secure Your Privacy with App Lock by Smart Mobile Tools

Boris Weber

05/14/2025

App Lock by Smart Mobile Tools provides robust security features to keep your sensitive apps protected from prying eyes.

Lock app with pattern

Lock app with password

Fingerprint support

Keep your privacy by locking apps like WhatsApp, Facebook, Gallery or anything you want.

Lock your apps with a secure but easy to unlock pattern.

Lock by pattern, password, keypad many types for lock apps. Very interesting.

You can customize your lock, for example, change lock type and background.

Social apps: AppLock can lock Facebook, WhatsApp, Messenger, Vine, Twitter, Instagram, Snapchat, WeChat and so on. No one can peep at your private chat anymore.
System apps: AppLock can lock Contacts, SMS, Gallery, Videos, Email and so on. No one can mess up your settings for system apps.
Android pay apps: AppLock can lock Android Pay, Samsung Pay, Paypal and so on. No one can use your wallet to purchase any item.
Other apps: AppLock can lock any third-party apps, including Gmail, Youtube, games and so on. Completely protect your privacy.

★★★ With AppLock, you will:

Never worry about parents checking your Snapchat or Musical.ly!
Never worry about friends borrowing your phone to play games with mobile data again!
Never worry about a workmate getting your phone to look at the gallery again!
Never worry about someone reading private data in your apps again!
Never worry about kids messing up settings, sending wrong messages or playing games again!

★★★ With App Lock, you can:

Lock any apps (message, game, photos, videos, etc.)
Lock apps using Fake Forced Close pop-up
Lock apps using multiple passwords
Lock incoming calls
Lock system settings to prevent a mess by kids
Lock Google Play to prevent buying games, movies, books
Lock messages and calls
Lock phone settings

★★★ Feature:

Pattern Lock: simple and fresh interface, unlocks faster!
PIN lock (keypad lock): much safer for you to lock apps
Customize: change type, change button, change wallpaper
Lock app very effective
Lock app with very high security
Easy to use and fast
Lower capacity, less memory
Power saving mode to save battery
App Lock can lock your photos, gallery and messages from prying eyes and nosy friends. It is your privacy guard!
Application lock, the best app lock & privacy guard, is the most smart Application lock!
Full protection for your phone
Supports multiple languages
Lock your app accurately and smartly
Good performance and power-saving
Kinds of beautiful lock types</l1>

Note: This app uses the Device Administrator permission to prevent hackers from uninstalling applications. You can enable/disable this in your device settings.

Overview

App Lock is a Freeware software in the category System Utilities developed by Smart Mobile Tools.

The latest version of App Lock is 9.0.0, released on 07/05/2024. It was initially added to our database on 10/13/2023.

App Lock runs on the following operating systems: Android/iOS.

Users of App Lock gave it a rating of 5 out of 5 stars.

Pros

Easy to use interface for setting up app lock with a PIN, pattern, or fingerprint.
Ability to lock individual apps to protect sensitive information and privacy.
Option to add an extra layer of security with a fake lock screen to deceive intruders.
Supports multiple languages making it accessible to a wider range of users.
Low battery consumption and does not slow down the device performance.

Cons

Limited customization options compared to other similar apps.
May require additional permissions on some devices which can raise privacy concerns.
Occasional bugs and crashes reported by users.
Free version may contain ads which can be intrusive for some users.
In-app purchases required for accessing advanced features and removing ads.

FAQ

What is App Lock by Smart Mobile Tools?

App Lock by Smart Mobile Tools is a security application designed to lock and protect individual apps on your mobile device, providing privacy and preventing unauthorized access.

How do I install App Lock?

You can install App Lock by Smart Mobile Tools from the Google Play Store or any other trusted app marketplace on your Android device.

Is App Lock free to use?

Yes, App Lock by Smart Mobile Tools is available for free; however, it may offer in-app purchases for additional features.

Can I unlock apps using a password or fingerprint?

Yes, App Lock allows you to secure apps using a password, pattern, or biometric methods like fingerprint authentication.

What apps can I lock with App Lock?

You can lock any app installed on your device, including social media apps, messaging apps, photo galleries, and settings.

Does App Lock consume a lot of battery?

App Lock is designed to be lightweight and should not significantly impact your device's battery life.

Can I hide the App Lock icon from the home screen?

Yes, App Lock offers an option to hide its icon from the home screen for added privacy.

What should I do if I forget my password?

If you forget your password, you can use the recovery option provided in the app, which may involve answering security questions or using recovery email.

Is my data safe with App Lock?

Yes, App Lock prioritizes user privacy and data security by not collecting personal information and encrypting sensitive data.

Does App Lock work on all Android devices?

App Lock is compatible with most Android devices running Android version 5.0 and above.

Boris Weber

I am an editor at UpdateStar. I started as a support engineer, and am now specialized in writing about general software topics from a usability and performance angle among others. I telecommute from UpdateStar’s Berlin office, when I am not working remote as a digital nomad for UpdateStar. When I'm not analyzing the latest software updates, you can find me exploring new cities, immersing myself in local cultures, and discovering innovative tech trends across the globe.

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Latest Version
9.0.0

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