AppLock - The essentials of personal information protection
Protect your app. Only you can run the app!
The App Lock is a secure app that protects your valuable personal information from your peeking eyes.
The App Lock blocks the execution of the app by others.
The password lock method securely locks apps with sensitive information and prevents them from being peeked or misused.
The security lock app is one of the best app protectors to protect your personal information.
If you don't want others to see my smartphone, please use the app lock.


App Lock - Blocks access of others to your smartphone app by protecting your application.
Select the App to Lock - Select the app you want, such as contact information, messenger, SNS, and gallery app containing your personal information, and lock it.
Lock Screen Customizing - You can express your personality by setting the lock screen color freely.
Simple lock setting - It is possible to apply the lock function simply and conveniently to all applications.
Easy use - Easy and intuitive interface for anyone to use.

< Apps that can be safely protected with lock>
Messenger - Avoid accessing chat information such as KakaoTalk, Line, Telegram and Watts app.
SNS - You can lock Facebook, Instagram, Twitter, TikTok, etc.
Gallery - Do not let anyone see sensitive personal information such as photos and videos.
Other - Used for all apps on your smartphone, such as YouTube, games, and shopping apps.
Security AppLock is a must for your privacy!


People who care about privacy.
Anyone who uses an app with sensitive information
People who want to manage their children's app usage.
Anyone who wants to limit the time of using the app
Download the AppLock right now to secure your personal information!

App Lock - Protect your application

// Option A //

To download Security lock - App lock mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Security lock - App lock mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Security lock - App lock from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Security lock - App lock in HappyMod App.