10 Best Free Folder Lock Apps For Android in 2021

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Written By Larious

Larious is the Executive Editor of LowkeyTech. He is a tech enthusiast and a content writer. 





Last Updated on March 21, 2021 by Larious

Let’s admit; we store plenty of important files and folders on our Android smartphones. Since Android is right now the most popular mobile operating system, it’s also a prime target of hackers. Hackers are trying their best to crack into the platform. This is why security researchers recommend security apps.

When we hear about security apps, we always think about Antivirus tools. Well, Antivirus apps on Android is a much-needed thing, but it can’t provide you with complete protection. What about the files and folders that you have stored on your device? Have you taken any steps to protect them? Usually, we don’t care about important files and folders, but they are the first thing hackers target.

List of Best Free Folder Lock Apps For Android

In this article, we will share some of the best file and folder locker for Android devices. These file lockers will allow you to password-protect any essential files or folders. So, let’s explore the list of best file and folder locker for Android.

1. Folder Lock

Folder Lock

Well, Folder Lock is one of the top-rated Android security app available on the Google Play Store. It is an app that password-protects your files, photos, videos, documents, contacts, and every other type of file. With the premium version of Folder Lock, you also get the cloud backup feature to secure your important files and folders. Apart from that, Folder Lock also got a WiFi file transfer tool that lets you transfer files and folders between Android devices.

2. Easy Vault

Easy VaultEasy Vault

Well, Easy Vault doesn’t lock folders, but it can lock and hide pictures, videos, audios, and documents. Interestingly, the app has a feature that hides the Easy vault icon from your App drawer, making it impossible for others to find out you are using a vault application to hide your private files. It also offers a secret folder where you can store your pictures, videos, or other files.

3. Smart Hide Calculator

Smart Hide CalculatorSmart Hide Calculator

It is one of the best security tools you would love to use. It’s a full-fledged calculator app that has a little twist. Smart Hide Calculator offers a vault that can be opened when you enter the password. In this way, everyone will think of the Smart Hide Calculator as a simple calculator app. The app doesn’t need a rooted Android device to work, and it works fine on Android version 4.2 and above.

4. FileSafe


Well, FileSafe is not precisely a folder lock app; instead, it’s a full-fledged file manager app with file/folder hiding capabilities. Since it’s a full-fledged file manager app, FileSafe replaces your phone’s native file manager app and lets you lock your important files with a password or PIN code. Apart from file management and file locking features, FileSafe also has a built-in photo viewer and media player.

5. Secure Folder

Secure FolderSecure Folder

This is a folder lock app from Samsung meant to protect your important files and folders. Secure folder leverages the defense-grade Samsung Knox security platform to protect your essential files from prying eyes. The only downside of the app is that it is meant to work only on Samsung smartphones. So, if you don’t have a Samsung phone, it’s best to skip this app.

6. Calculator Vault

Calculator VaultCalculator Vault

Calculator Vault is pretty much similar to the Smart Hide Calculator that had been listed above. On the surface, it’s a full-fledged calculator app, but from inside, it’s a password-protected vault. To access the vault, you need to enter the passcode on the calculator interface. You can store almost every file type on the password-protected vault. You can even hide applications and documents with Calculator Vault.

7. Safe Folder Vault App Lock

Safe Folder Vault App LockSafe Folder Vault App Lock

The app is relatively new, at least compared to all others listed in the article. Safe Folder Vault is a vault-app for Android. It offers a password-protected vault that can be used to store important files and folders. The app can also be used to password protect apps.

8. File locker

File lockerFile locker

If you are searching for the easiest way to create a secure location on your device to store and protect your most important files and folders, then File locker might be the best pick for you. With File locker, you can password-protect your files, including photos, videos, documents, contacts, notes, and audio recording.

9. Norton App Lock

Norton App LockNorton App Lock

Like every other app, Norton App Lock allows users to add PIN, Password, or pattern lock screen security to protect and lock apps. Apart from just locking the apps, Norton App Lock can also be used to password-protect folders. Therefore, Norton App Lock is another best free folder lock app that you can use on your Android smartphone.

10. Safe Folder Vault

Safe Folder VaultSafe Folder Vault

Well, it’s not actually a folder lock app, but it can password protect essential things. The app provides users a private vault that can store photos, videos, audios, etc. Not only that but with Safe Folder Vault, you can also lock any app that you want. Other features of Safe Folder Vault includes secret contacts, secure notes, intruder selfies.

So, these are the best Android apps to lock your files and folders. These apps will help you password-protect any files and folders stored on your device. If you know of any other apps like these, let us know in the comment box below. I hope this article helped you! Please share it with your friends also.


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