Top 20 Lock Apps for Android Smartphones 2024

Here are the top 20 lock apps for Android smartphones:

1. AppLock

This is one of the most popular lock apps on the Google Play Store. It can lock almost any app on your Android device with a PIN or pattern lock.

AppLock is a mobile application that enables users to lock individual apps on their devices to prevent unauthorized access. With AppLock, users can choose to lock specific apps such as their social media apps, banking apps, and other sensitive apps with a password, pattern, or fingerprint. This helps to protect the user’s privacy and data from unauthorized access by others.

AppLock is available for download on both Android and iOS platforms, and it is free to use. Some of its features include the ability to hide AppLock itself from the app drawer, enable/disable lock for individual apps, and a time lock feature that allows users to set a specific time when the app will automatically lock.

AppLock is a useful app for people who share their devices with others, especially children or colleagues, and want to keep certain apps private. However, it is important to note that AppLock is not foolproof, and determined individuals may still find a way to bypass its security measures. Therefore, it is recommended to use AppLock in combination with other security measures such as setting a strong device lock screen password or using two-factor authentication for sensitive apps.

2. Norton App Lock

This app is developed by Norton, a leading cybersecurity company. It can lock any app on your device with a PIN, pattern, or fingerprint.

Norton App Lock is a mobile application designed to provide an additional layer of security for Android devices. It is developed by NortonLifeLock, a leading cybersecurity company that offers a range of security products for both personal and business use.

Norton App Lock allows users to lock individual apps with a password, pattern, or fingerprint, similar to other app locking apps like AppLock. However, Norton App Lock also offers some additional features such as the ability to lock photos and videos in addition to apps, and the ability to lock access to specific settings on the device.

Norton App Lock is free to download and use, but it also offers a premium version with additional features such as an intruder selfie feature, which takes a photo of anyone who tries to access a locked app with an incorrect password or pattern. The premium version also offers an ad-free experience and access to customer support.

Overall, Norton App Lock is a reliable app for those who want to protect their privacy and sensitive data on their Android devices. It is important to note, however, that like any other security app, Norton App Lock is not 100% foolproof and may be bypassed by determined individuals. Therefore, it is recommended to use Norton App Lock in combination with other security measures such as a strong device lock screen password and two-factor authentication for sensitive apps.

3. Smart AppLock

This app can lock your apps with a PIN, pattern, or fingerprint. It also has a feature to take a photo of anyone who tries to unlock your device with the wrong password.

Smart AppLock is a mobile application that allows users to lock individual apps on their Android devices with a password, pattern, or fingerprint. It is developed by ThinkYeah Mobile (AppLock & GalleryVault), a software company specializing in mobile security apps.

Smart AppLock offers a variety of features that make it a useful app for those who want to protect their privacy and data on their Android devices. These features include the ability to lock individual apps, incoming calls, and system settings. The app also offers a random keyboard feature that makes it more difficult for others to guess the password or pattern.

Smart AppLock is free to download and use, but it also offers a premium version with additional features such as a custom lock screen, a disguise cover feature that makes it appear as if the locked app has crashed, and the ability to lock unlimited apps.

Overall, Smart AppLock is a reliable app for those who want to add an extra layer of security to their Android devices. However, it is important to note that like any other security app, Smart AppLock is not 100% foolproof and may be bypassed by determined individuals. Therefore, it is recommended to use Smart AppLock in combination with other security measures such as a strong device lock screen password and two-factor authentication for sensitive apps.

4. CM Locker

CM Locker is a mobile application that provides a lock screen replacement for Android devices. It is developed by Cheetah Mobile, a software company that specializes in mobile security and utility apps.

CM Locker offers several features that make it a useful app for those who want to protect their privacy and data on their Android devices. These features include a customizable lock screen with various themes and wallpapers, app lock functionality, and anti-theft features such as a phone locator and remote lock.

In addition, CM Locker provides notifications for missed calls, new messages, and app notifications on the lock screen, allowing users to quickly check their notifications without having to unlock their devices.

CM Locker is free to download and use, but it also offers a premium version with additional features such as an ad-free experience, advanced protection against malware and viruses, and more advanced anti-theft features.

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Overall, CM Locker is a reliable app for those who want to add an extra layer of security to their Android devices. However, it is important to note that like any other security app, CM Locker is not 100% foolproof and may be bypassed by determined individuals. Therefore, it is recommended to use CM Locker in combination with other security measures such as a strong device lock screen password and two-factor authentication for sensitive apps.

5. Lockdown Pro

Lockdown Pro is a mobile application that allows users to lock individual apps on their Android devices with a password, pattern, or fingerprint. It is developed by The Lockdown Team, a software company that specializes in mobile security apps.

Lockdown Pro offers several features that make it a useful app for those who want to protect their privacy and data on their Android devices. These features include the ability to lock individual apps, incoming calls, and system settings. The app also offers a fake cover feature that makes it appear as if the locked app has crashed or that the device is in sleep mode.

In addition, Lockdown Pro provides a vault feature that allows users to hide sensitive photos and videos behind a password-protected vault.

Lockdown Pro is free to download and use, but it also offers a premium version with additional features such as a custom lock screen, a stealth mode that makes the app invisible from the app drawer, and the ability to lock unlimited apps.

Overall, Lockdown Pro is a reliable app for those who want to add an extra layer of security to their Android devices. However, it is important to note that like any other security app, Lockdown Pro is not 100% foolproof and may be bypassed by determined individuals. Therefore, it is recommended to use Lockdown Pro in combination with other security measures such as a strong device lock screen password and two-factor authentication for sensitive apps.

6. Perfect AppLock

Perfect AppLock is a mobile application that allows users to lock individual apps on their Android devices with a password, pattern, or fingerprint. It is developed by Morrison Software, a software company specializing in mobile security and utility apps.

Perfect AppLock offers several features that make it a useful app for those who want to protect their privacy and data on their Android devices. These features include the ability to lock individual apps, incoming calls, and system settings. The app also offers a fake cover feature that makes it appear as if the locked app has crashed or that the device is in sleep mode.

In addition, Perfect AppLock provides a vault feature that allows users to hide sensitive photos and videos behind a password-protected vault.

Perfect AppLock is free to download and use, but it also offers a premium version with additional features such as a custom lock screen, a stealth mode that makes the app invisible from the app drawer, and the ability to lock unlimited apps.

Overall, Perfect AppLock is a reliable app for those who want to add an extra layer of security to their Android devices. However, it is important to note that like any other security app, Perfect AppLock is not 100% foolproof and may be bypassed by determined individuals. Therefore, it is recommended to use Perfect AppLock in combination with other security measures such as a strong device lock screen password and two-factor authentication for sensitive apps.

7. Privacy Knight

Privacy Knight is a mobile application that provides a range of privacy and security features for Android devices. It is developed by Alibaba Group, a multinational technology conglomerate.

Privacy Knight offers several features that make it a useful app for those who want to protect their privacy and data on their Android devices. These features include the ability to lock individual apps, hide photos and videos behind a password-protected vault, and encrypt files and folders.

In addition, Privacy Knight provides a privacy protection feature that can scan your device for privacy leaks and vulnerabilities, and offer suggestions to improve your privacy and security. It also offers anti-theft features such as a phone locator and remote lock.

Privacy Knight is free to download and use, but it also offers a premium version with additional features such as ad-free experience, advanced protection against malware and viruses, and more advanced anti-theft features.

Overall, Privacy Knight is a reliable app for those who want to add an extra layer of security and privacy protection to their Android devices.

8. FingerSecurity

FingerSecurity is a mobile application that allows users to lock individual apps on their Android devices with their fingerprint. It is developed by Rick Clephas, a software developer specializing in mobile security apps.

FingerSecurity offers several features that make it a useful app for those who want to protect their privacy and data on their Android devices. These features include the ability to lock individual apps with a fingerprint, including both native and third-party apps. The app also offers a fake cover feature that makes it appear as if the locked app has crashed or that the device is in sleep mode.

In addition, FingerSecurity provides a vault feature that allows users to hide sensitive photos and videos behind a password-protected vault.

FingerSecurity is free to download and use, but it also offers a premium version with additional features such as a custom lock screen, the ability to lock unlimited apps, and the ability to set different lock modes for different apps.

9. Norton Privacy Manager

Norton Privacy Manager is a mobile application that provides users with a range of privacy and security features for their Android and iOS devices. It is developed by NortonLifeLock, a global leader in consumer cybersecurity.

Norton Privacy Manager offers several features that make it a useful app for those who want to protect their privacy and data on their mobile devices. These features include the ability to create and manage multiple virtual private networks (VPNs), which can help to protect users’ online activities and data from prying eyes. The app also offers a password manager that can securely store and autofill passwords for users’ online accounts.

In addition, Norton Privacy Manager provides a private browser that can help to prevent tracking and fingerprinting, as well as a private search engine that does not collect user data. The app also offers a secure vault feature that allows users to store and share sensitive files and documents with others.

Norton Privacy Manager is available as a free download on both the Google Play Store and Apple App Store, but it also offers a premium version with additional features such as unlimited VPN access, priority customer support, and the ability to protect up to 10 devices with a single account.

10. LockMyPix

LockMyPix is a mobile application that provides users with a secure way to hide and protect their personal photos and videos on their Android and iOS devices. It is developed by the German-based software company, fourchars.

LockMyPix offers several features that make it a useful app for those who want to protect their privacy and data on their mobile devices. These features include the ability to lock individual photos and videos with a PIN, pattern, or fingerprint, and the app also offers a decoy mode that can make it appear as if there are no hidden files on the device.

In addition, LockMyPix provides a private cloud feature that allows users to securely backup and sync their hidden files across multiple devices. The app also offers a break-in attempt detection feature that can take a photo of the person who tries to access the app without authorization.

LockMyPix is available as a free download on both the Google Play Store and Apple App Store, but it also offers a premium version with additional features such as a secure camera, the ability to create multiple albums, and ad-free experience.

11. AppLock Master

This app can lock your apps with a PIN, pattern, or fingerprint. It also has a feature to take a photo of anyone who tries to unlock your device with the wrong password.

AppLock Master is an application that allows users to lock their mobile apps using a password, pattern, or fingerprint authentication. This app is designed to provide an additional layer of security for mobile devices by preventing unauthorized access to apps containing sensitive information such as banking, social media, and email accounts.

12. KeepSafe

This app can hide your pictures and videos with a PIN, pattern, or fingerprint. It also has a feature to back up your pictures and videos to the cloud.

13. Hide Something

This app can hide your pictures and videos with a PIN, pattern, or fingerprint. It also has a feature to create a fake PIN to show to anyone who tries to access your hidden content.

14. Locker Master

This app can lock your apps with a PIN, pattern, or fingerprint. It also has a feature to customize your lock screen with various themes and wallpapers.

15. Vault-Hide

This app can hide your pictures and videos with a PIN, pattern, or fingerprint. It also has a feature to create a fake PIN to show to anyone who tries to access your hidden content.

16. Private Zone

This app can lock your apps with a PIN, pattern, or fingerprint. It also has a feature to hide your pictures and videos.

17. Security Master

This app not only locks your apps but also provides other features such as antivirus protection, junk file cleaner, and phone booster.

18. Lock App

This app can lock your apps with a PIN, pattern, or fingerprint. It also has a feature to lock your device’s screen.

19. GalleryVault

This app can hide your pictures and videos with a PIN, pattern, or fingerprint. It also has a feature to create a fake PIN to show to anyone who tries to access your hidden

20. Hexlock

This app is a versatile app locker that allows you to lock individual apps with a PIN, pattern, or fingerprint. It also has a feature to automatically lock your apps based on your location.