Top 10 Best Android App Locker to Setup Password | PIN | Pattern Lock

Top 10 Best Android App Locker to Setup Password | PIN | Pattern Lock. The major advantages of android OS are the security features of an android operating system. The security lock for android phone protects us from anonymous people access. It also stops accidental calls placed to our phone contacts. If the android pattern lock feature is not available, then our privacy will be at greater risk. The default screen lock option in all version of android from beta to marshmallow are as follows:

  1. None  – No screen lock
  2. Swipe – You need to swipe the screen towards upper direction to unlock the phone
  3. Pattern – Setup specific pattern to lock and unlock the phone.
  4. PIN – Setup numbers from 0 to 1 to lock and open the screen
  5. Password – Configure a password to access your phone.

Apart from having the above option, the security level for every individual app could be still better. It means there is no inbuilt option to lock or restrict access to the application level.

Can I Put a Password on WhatsApp?

The official website of WhatsApp says, there is no built-in option to put a password. The exact answer provided in the official WhatsApp help article is:

WhatsApp does not have any password system built into the app. If you wish to put a password lock on any app on your phone, there are many apps in the Google Play store that will do this.

Here is the role of lockers for android comes in. But, how to decide which is the best protection app for android?

For your convenience, I have listed or reviewed Top 10 Best best app locker for android phone. I have personally used few of these apps and I was comfortable. However, I can not guarantee that the features that I love will be the favorite feature for you. Hence, I have provided the reviews sorted by Free Apps that has more than 4.0 Star Google User Ratings.

Top 10 Best Android App Locker Free to Download

Read: Can Pattern Lock or Security Code on Smartphone be Dangerous in Case of Emergency Contact?

1. AppLock

AppLock for Android

Applock was developed by DoMobile Lab. With 3,615,518 users voting 5-star rating, app lock mobile locker application stands best app lock for android and it is second to none amongst the security applications of the android operating system. We can protect privacy with password, pattern, fingerprint lock. It is used in more than 50 countries and supports 24 languages.

Applock can lock apps like Facebook, Whatsapp, Twitter and any other mobile application installed on your android mobile. To conclude in a single statement, it does what it says. Hassle free. There may be some technical glitches while installing on different devices, however, the Applock support team from DoMobile Lab are keeping the eye on the user comments and providing an appropriate response. Kudos to the development team in this regard.

The contact details for Applock mobile app are:

Official website:
Google+ Profile:
Facebook Page:

Read: How to Track Your Lost Mobile Phone using Android Device Manager

2. App Lock – Protect Photo,Video

App Lock - Protect Photo,Video

App Lock – Protect Photo,Video

App Lock – Protect Photo,Video  was developed by Happy Sky Free Games & Mobile Apps. It is  a pretty simple yet effective app locker. It needs 4.6MB space on your phone. It is compatible with android 2.3 and up. It comes with Brightness and Rotation Protection.
Features of App Lock:
– Locks your apps smartly and accurately
– Very good power-saving tool
– Variety and beautiful types of lock
– Can be used as a Parental Control tool
Contact Details of App Lock – Protect Photo,Video Developers:


12/F, Bank of America Tower,12 Harcourt Road, Central, Hong Kong
Read: Top 10 Reasons Why Data Connection Must be Always Active on Smartphones?

3. App Lock by love kara

App Lock by lovekara

App Lock by lovekara

App Lock by lovekara another mobile lock software. It is one of the best app protector which could protect your privacy. It can lock contacts, SMS, e-mail, gallery, settings, calls or any apps by password or pattern lock.

With this app, you don’t have to worry about your private information on your phone to be exposed to other people, you don’t have to worry about your kids messing your phone up by changing the settings. This app is compatible with android operating system 5.0 version and above. This application also supports Portuguese.

4. Gallery Lock (Hide pictures)

Gallery Lock (Hide pictures)

Gallery Lock (Hide pictures)

Gallery Lock (Hide pictures) was developed by Morrison Software. Gallery lock was selected as the App of the Year by Times Magazine.


• Hide Photos & Videos
• Stealth Mode supported : this feature hides a launch icon.
• Watchdog : After 3rd failed password attempt, built-in camera takes a photo of attacker.
• Share pictures from Gallery Lock to any applications.
• Cloud Backup supported to Google Drive, Dropbox, Box
• Folders supported.
• Beautiful designs
• Rotate and zoom features
• Slide Show supported.
• Mp3 background music playing supported while slide show.
• A variety of viewing mode.
• Multi-select feature for fast hiding, un-hiding, sharing
• Easy-to-use PIN,Pattern access

5. Safe Gallery (Media Lock)

Safe Gallery (Media Lock)

Safe Gallery (Media Lock)

Safe Gallery (Media Lock) was developed by ukzzang. This is a Must-Have App. for protecting your privacy as hiding each of the media files using a password! You can download and hide any favorite photos from a web page. You can manage the albums of gallery handily and view & move pictures easily.


– Audio : Show all audio files on your phone. manage the audios.
– Gallery : Show all media files on your phone. manage the gallery.
– Safe Photo : Show all locked photos.
– Safe Video : Show all locked videos.
– Safe Web Image : Show all locked web images.
– Safe Audio : Show all locked audios.
– Screen Lock Type : PINs, Password, Pattern
– Supported GIF(Animated)

6. Folder Lock

Folder Lock

Folder Lock

Folder Lock was developed by Folder Lock lets you password-protect your personal files, photos, videos, documents, contacts, wallet cards, notes and audio recordings in Android Phones. The app comes with a clean and pleasant interface. You can also transfer files from Gallery, PC/Mac, Camera and Internet browser.

Folder Lock Features:

• Protect private photos
• Hide sensitive videos and pictures
• Password-protect secret audio
• Lock down important documents
• Write secure notes
• Record voice recordings and memos secretly
• Import Saved Contacts
• Create Contact Groups
• Secret Contacts Group multiple SMS

7. LOCX Applock Lock Apps & Photo

LOCX Applock Lock Apps & Photo

LOCX Applock Lock Apps & Photo

LOCX Applock Lock Apps & Photo was developed by C Launcher Team – Fast Smart Launch. LOCX Applock is highly praised and recommended by authority media including Android Community, Android Headlines,, and DGtle!

Protect private apps, Hide pictures, Lock all phone privacy, Put more features into less space, Material design, an all-new design, Applications Locker, Photo Safe Vault, Email Lock, Pattern or PIN code, Themes, Chameleon – App fake cover, Invisible Lock, Delay to lock, Quick lock / unlock.

8. AppLock – Fingerprint

AppLock - Fingerprint

AppLock – Fingerprint

AppLock – Fingerprint was developed by SpSoft. It supports 31 languages globally. You can lock any app you choose with pattern or finger print. You can perform the following using Applock – Fingerprint:

  • lock any apps(SNS, Game, Photos, Videos, SMS)
  • Detect and takes a picture of the Intruder
  • Lock apps using Fake Forced Close pop-up
  • Lock apps using multiple passwords
  • Lock your phone using remote control
  • Lock systems(Wi-Fi, Settings, install/uninstall)

9. Knock Lock – AppLock Screen

Knock Lock - AppLock Screen

Knock Lock – AppLock Screen

Knock Lock – AppLock Screen was developed by Breakout Games. It will not give a clue to the intruder that the app is locked. Knock Lock FREE is the new way of locking devices that everyone has been waiting for and it’s INVISIBLE. All you need to do is tap Knock Knock on the screen and unlock your device. MAGIC! The INVISIBLE Pattern Lock is a revolutionary application that unlocks your device without disclosing your Password. The lock screen is beautified by custom date and time formats with the AWESOME HD WALLPAPERS! The path for unlocking is Hidden! Only you are able to access your device and prevent UNAUTHORIZED or FORCED access.

Features of Knock lock FREE are:

  • Prevent Unauthorized Access
  • The invisible path to Unlock Pattern.
  • Helps preventing accidental calling/ butt dialing.
  • Prevents others from using your device.
  • Superbly rich graphics.

10. AppLock by Fotoable,Inc.

AppLock by photoable, inc

AppLock by photoable, inc

AppLock by Fotoable,Inc. your best AppLocker & privacy guard is the smartest AppLock. It’s easier for you to protect your private data with the smart AppLock ! With AppLock , nobody can check your sensitive apps , gallery and messages except yourself . APPLock , a must-have privacy guard !
Contact AppLock :
Facebook Page:
Facebook Guideline


Amudha Kumar is a successful entrepreneur, renowned speaker. He went on to find out his own Best Digital Marketing Training Institute in Chennai. His knowledge spans across the globe. A Google certified digital marketing professional.

He offers professional training and speaks frequently on Digital Marketing, Search Engine Optimization, Success Principles and leadership skills for entrepreneurs.

Amudhakumar has helped hundreds across India to establish their business, career potential in the digital arena.


  1. Ward Muysenberg October 30, 2016
  2. Alexya Azhakesan February 7, 2017

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