AppDefender (App Lock) is an app by telemarks.co.jp in the Tools category, listed since at least February 2021. It has no native code, so it runs on any Android processor.
It asks for 10 permissions, 4 of them sensitive, including camera, find accounts on the device and read shared storage.
Description
From the listing uploaded by “appupdater”.
AppDefender is an app to block your private information such as your browsing history or text messages from being peeked when you happened to hand your phone to friends.
It locks the apps which you don’t want to be seen by others and protect your privacy.
An app to prevent peeping by your friends or family.
Also if someone enters wrong password 5 times, the inside camera will take a picture of the person without his/her noticing and keep the record.
You will be free from the worry that your boyfriend/girlfriend may have seen your phone secretly.
[App Lock Function]
Lock specified apps by a password.
You will be free from the worry below by specifying apps such as SNS or Text messages which you don’t want to be seen by your family, friends or boyfriend/girlfriend.
- You have a feeling that your phone may be peeked while you are taking bath.
- You worry that your text messages or browsing history may be peeked when you hand your smartphone to friends.
- The phone in your bag activates unexpectedly during travel.
- Your kids change the setting without your permission.
[Function of taking a picture of peeking]
If someone press wrong password 5 times, the inside camera takes a picture of the person secretly.
You can find out who tries to peek your private information.
-This app is available from Android 4.0 or above and you need the device model with front camera.
-You need this app to be ON in the settings window.
[Other functions]
Equipped with reminder function when you forget the password and password clear from Google account identification.
You can still unlock the apps even if you forget the password.
. The key order can be random to prevent being guessed the password from the movement of fingers.
. Effective time of unlock can be set to prevent repeatedly appearing lock screen.
[Steps to use ]
1. User support setting (from OS 5.0 and above)
The setting is necessary for this App to work. Please follow the instructions on the screen.
2. Setting password
The password setting will appears when you first time activate this App.
3. Select the Google account in case you forget the password.
Login the Google account to unlock the Apps.
4. Select apps to be locked.
Select the apps to be locked by password from the main screen.
5. Closing AppDefender
Press the back button to close the Apps lock.
The password entering window will appear when the specified app is activated.
[ FAQ]
-How to uninstall
When you are using advanced protection, please take the following steps to uninstall.
1.Start the app and open the settings window.
2.Tap the disable advanced protection.
3.After taking the above steps, then you can uninstall this app with the same way of as uninstalling other apps.
-The lock window of GalaxyS8/S8+ is shorter than the device screen.
If you use the Samsung GalaxyS8/S8+, you need to set your device to display full screen.
Go to Settings→Display→FullScreen apps to set AppDefender ON and allow using full screen.
You can display FAQ from the settings of AppDefender.
If this app is not working properly, please refer FAQ.
[Uses Permissions]
-User Accessibility: To detect foreground app.(Android5.0+)
-Get account: To forgot password recovery
-Draw over other apps: To lock app
-Fingerprint auth: To unlock app
-Internet Access:Used for ads
-Camera: To capture photos
-Run at startup: To start service when device boots up
-Get task: To detect foreground app
**This app uses the device administrator. (Only when using advanced protection)
Advanced protection :Activate Device Administrator to prevent others from uninstalling app.
It is used only for this purpose, we do not use any policies of Device Administrator.
**This app uses Accessibility services.
Android 5.0 later users must grant accessibility for Appdefender to enable App Lock.
Security & authenticity
Security rating: Trusted
Signing certificate
Certificate issued to “telemarks.co.jp”The developer's name — though anyone can put any name in a certificate.
Store checks and file details
Developer signature verifiedMay 20, 2024
Signed byCN=telemarks.co.jp, OU=Unknown, O=telemarks.co.jp, L=setagaya, ST=tokyo, C=jp
Uploaded by “appupdater”Gold tier · 117,810 followers · uploading since 2020
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (10)
AppDefender (App Lock) requests 10 permissions, 4 of them sensitive.
CameraSensitiveandroid.permission.CAMERA
Display over other appsSensitiveandroid.permission.SYSTEM_ALERT_WINDOW
Find accounts on the deviceSensitiveandroid.permission.GET_ACCOUNTS
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is the AppDefender (App Lock) APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 920a4b8b9573e5900950668133d5244d.