With the advent of fingerprint scanners, securing your smartphone has become easier than ever. These features reduce the need to repeatedly enter passwords or PINs, making everyday use more convenient. Fingerprint security is now one of the most practical tools in modern smartphones, whether you’re unlocking your device, signing into apps, or protecting sensitive data.
You can also use your fingerprint to lock apps and files for added privacy. Below, we’ll guide you through safe and effective methods.
Quick Answer
Using a trusted third-party app is one of the easiest ways to lock apps and files with your fingerprint. Apps like AppLock are widely used for this purpose. You can download such apps from the Google Play Store and set them up in just a few steps.
Key Sections
- Use a third-party app to lock files and apps
- Built-in app locking features on smartphones
- Locked Folder feature in Google Photos
Lock Apps and Files Using a Third-Party App
Using a reliable third-party app is a simple way to secure your apps and files with fingerprint authentication. One popular option is AppLock. Follow these general steps:
- Download AppLock from the Google Play Store.
- Open the app and set up a pattern or PIN.
- Go to the Protect tab.
- Navigate to Security settings.
- Enable the Fingerprint unlock option.
- Return to the Privacy section.
- Select the apps you want to lock and tap the lock icon.
- Grant the necessary permissions when prompted.
Once set up, the selected apps will require authentication before opening. You can use your fingerprint instead of the pattern for quick access.
How to Lock Files Using AppLock
AppLock also offers a Vault feature to secure personal files such as photos, videos, and documents.
- Open AppLock.
- Go to the Privacy tab and select Vault.
- Choose the type of file you want to protect.
- Tap the + button and select files.
- Tap Lock and confirm.
The selected files will be moved to a secure location within the app and can only be accessed after authentication.
Note: Steps may vary depending on your device model and Android version.
Other Third-Party Apps to Consider
There are several alternatives available on the Google Play Store, including:
- InShot App Lock
- App Lock Pro (by App Lock LLC)
- AppLock by AppAzio
Always check reviews and permissions before installing any security app.
Built-in App Lock Features on Smartphones
Many smartphone manufacturers offer built-in tools to lock apps and files without installing third-party apps.
Samsung Devices
Samsung devices include a feature called Secure Folder, which allows you to store apps and files securely.
Steps:
- Open Settings
- Go to Security and Privacy
- Tap Secure Folder
- Sign in and set a PIN
- Enable Fingerprint unlock
You can move files and apps into Secure Folder for protected access.
OnePlus Devices
OnePlus smartphones offer an App Lock feature and a file-hiding option called Private Safe.
To lock apps:
- Open Settings
- Go to Privacy
- Select App Lock
- Set your PIN
- Enable apps you want to lock
To hide files using Private Safe:
- Open Settings
- Go to Privacy
- Select Private Safe
- Set your PIN
- Enable Fingerprint unlock
- Add files using the “+” option
Disclaimer
This article is for informational and educational purposes only. We do not own, develop, or officially endorse any third-party applications mentioned. Users should review app permissions, privacy policies, and security practices before installation. Features and steps may vary depending on device model, software version, and region. Always use trusted sources such as the official Google Play Store when downloading apps.