How to Lock Apps on Android

Locking apps on Android can help protect your privacy and sensitive information. Here’s how to do it:

Method 1: Use Built-in App Lock (If Available)

1. Go to Settings – Open the Settings app on your phone.
2. Search for “App Lock” – Use the search bar in settings and type “App Lock” or “Security”.
3. Select App Lock – If your device has this feature, enable it.
4. Choose Apps to Lock – Select the apps you want to lock.
5. Set a Password/PIN/Fingerprint – Follow prompts to secure the locked apps with a password or fingerprint.

Method 2: Use Third-Party Apps (If No Built-in Feature)

1. Download an App Locker – Go to the Google Play Store and search for “App Locker”.
   • Popular options:
     • AppLock by DoMobile
     • Norton App Lock
     • Smart AppLock
2. Install and Open the App – Follow the setup instructions.
3. Grant Permissions – Allow the app access to overlay other apps and accessibility settings.
4. Select Apps to Lock – Choose the apps you want to lock and set a password, pattern, or fingerprint.

Method 3: Use Samsung Secure Folder (Samsung Devices Only)

1. Open Settings → Biometrics and Security → Secure Folder.
2. Sign in with Your Samsung Account.
3. Set Up Secure Folder – Choose a lock method (PIN, password, or pattern).
4. Add Apps to Secure Folder – Tap Add Apps to secure sensitive apps.