About App Lock
Use App Lock to prevent others from checking your device's photos, videos, messages, facebook, whatsapp, instagram, mail and contacts without you knowing! "App Lock" has an ability to lock any application on your phone....
Use App Lock to prevent others from checking your device's photos, videos, messages, facebook, whatsapp, instagram, mail and contacts without you knowing!
"App Lock" has an ability to lock any application on your phone. It will ask your PIN or Pattern before open an application.
Features:
- Lock apps with password, pattern, or fingerprint lock to protect your privacy.
- Supports convenient and powerful lock with fingerprint sensor.
(This will use the same fingerprint registered in the Android Settings.)
- PIN can be at least 4 digits.
- Pattern size can be 3x3, 4x4, 5x5 and 6x6.
- Supports the ability to reset a lost password/ Forgotten password.
(By asking your security question to reset password)
- Allow a brief exit: no need password, pattern, fingerprint again within set time.
(Unlock one time, Unlock for 1-5 minutes or Unlock until screen off).
- Lock "Recent App" button while showing lock screen to prevent seeing other application screen.
- Prevent uninstalling App Lock
How to use:
- Follow instructions in the application to enable Usage Access Permission
- Choose lock method (PIN or Pattern).
- Choose and answer your security question that will be used when you forgot PIN/Pattern.
- Enable which applications you want to lock.
Try to open your locked application, you will see the lock screen showing up.
--- FAQ ---
1. How to change password?
- open app lock >> setting >> change pin/pattern
2. How can I prevent App Lock to be uninstalled and delete?
3. How do I get my forgotten password?
- Tap “FORGOT PASSWORD/PATTERN” on lock screen
- Security Answer: enter security answer.
- Reset Password: enter new password/pattern
4. Can't uninstall App Lock.
Accessibility Service Usage:
App Lock requires accessibility service permission in order to enable core functionality. The application will not read the sensitive data and any content on your screen. In addition, the application will not collect and share the data from accessibility service with any third-party.
By enabling the service, the application will be able to recognize running application and show lock screen immediately.
If you disable the accessibility service, the main features cannot work properly.
Previous Versions
Here you can find the changelog of App Lock since it was posted on our website on 2019-11-06 20:16:07.
The latest version is and it was updated on 2026-06-21 12:38:26. See below the changes in each version.
App Lock version
Updated At: 2024-02-21
Changes: - Enhanced compatibility: Now supports all Android versions, including API level 14 and above.
- Bug fixes and performance improvements to ensure a smoother user experience.
App Lock version
Updated At: 2022-01-24
Changes: - Improve performance and fix bugs.
App Lock version 1.4.2
Updated At: 2021-05-29
Changes: - Fix application not working properly on Android Q+
- Improve performance and fix bugs.
App Lock version 1.3.3
Updated At: 2019-01-08
Changes: - Add option to make pattern invisible while drawing pattern.
- Fix bug : cannot disable fingerprint.
- Performance and stability improvements.
Disclaimer
Official Google Play Link
We do not host App Lock on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Google and passed their terms and conditions to be listed there. We recommend caution when installing it.
The Google Play link for App Lock is provided to you by apps112.com without any warranties, representations or guarantees of any kind, so access it at your own risk.
If you have questions regarding this particular app contact the publisher directly. For questions about the functionalities of apps112.com contact us.