CrookCatcher is an app that takes a picture when someone tries to unlock your phone with the wrong PIN, password or pattern. It then secretly emails you the picture, the GPS location and estimated address of your phone. CrookCatcher helps thousands around the world protect their phones from thieves and unauthorized users.

🌐 Worldwide in use
With over 5 million downloads, CrookCatcher has helped countless people worldwide identifying thieves and recovering stolen phones.

🔒 Android's built-in lock screen protection
CrookCatcher utilises Android's built-in lock screen for a seamless and secure experience.

🔋 Battery
CrookCatcher is only active upon incorrect password, PIN, or pattern entries, remaining idle at other times to save battery 💤.

🥳 Essential Features (Free)
✅  Take picture
✅  Find phone GPS location
✅  Send alert emails with picture and location

⭐⭐ PRO Features ⭐⭐
✅  Take multiple pictures with both cameras
✅ Record sound clip
✅  Sound alarm
✅ Show custom message to thief on lock screen
✅  Show a fake home screen: if someone forces you to hand over your unlocked phone
✅ Take a picture when someone unlocks the phone successfully after previous failed attempts
✅ Postpone sending email if phone has no internet connection
✅ Change email subject: so a thief doesn't see revealing email notifications
✅ Lock the app with a pattern
✅ Disguise app: change CrookCatcher icon to a files icon.
✅ No ads

🧪 Experimental features
Enhance your device's security by blocking the power menu, quick tiles menu, and notification shade on the lock screen. This feature automatically turns off the screen and captures pictures if unauthorized access is detected. Please note that this is an experimental feature and may not be compatible with all devices. CrookCatcher utilizes the accessibility permission to detect and control these elements on the lock screen. (Currently being rolled out.)

🔑 Device Administrator Permission
This app uses the Device Administrator permission to securely monitor unlock attempts.

❗ Important Notes
- Due to Android security precautions, your phone must be unlocked once after reboot for CrookCatcher to access the camera.
- CrookCatcher does not support pop-up cameras or fingerprint errors.
- On android 13 and above, you will see a mandatory system notification when the camera is in use.

🛠 Help & Support
For more information please visit www.crookcatcher.app
For frequently asked questions, please visit www.crookcatcher.app/help
To learn how CrookCatcher respects your privacy, please visit www.crookcatcher.app/privacy.

Protect your phone from theft and unauthorised access with CrookCatcher!

CrookCatcher is an app that takes a picture when someone tries to unlock your phone with the wrong PIN, password or pattern. It then secretly emails you the picture, the GPS location and estimated address of your phone. CrookCatcher helps thousands around the world protect their phones from thieves and unauthorized users.

🌐 Worldwide in use
With over 5 million downloads, CrookCatcher has helped countless people worldwide identifying thieves and recovering stolen phones.

🔒 Android's built-in lock screen protection
CrookCatcher utilises Android's built-in lock screen for a seamless and secure experience.

🔋 Battery
CrookCatcher is only active upon incorrect password, PIN, or pattern entries, remaining idle at other times to save battery 💤.

🥳 Essential Features (Free)
✅  Take picture
✅  Find phone GPS location
✅  Send alert emails with picture and location

⭐⭐ PRO Features ⭐⭐
✅  Take multiple pictures with both cameras
✅ Record sound clip
✅  Sound alarm
✅ Show custom message to thief on lock screen
✅  Show a fake home screen: if someone forces you to hand over your unlocked phone
✅ Take a picture when someone unlocks the phone successfully after previous failed attempts
✅ Postpone sending email if phone has no internet connection
✅ Change email subject: so a thief doesn't see revealing email notifications
✅ Lock the app with a pattern
✅ Disguise app: change CrookCatcher icon to a files icon.
✅ No ads

🧪 Experimental features
Enhance your device's security by blocking the power menu, quick tiles menu, and notification shade on the lock screen. This feature automatically turns off the screen and captures pictures if unauthorized access is detected. Please note that this is an experimental feature and may not be compatible with all devices. CrookCatcher utilizes the accessibility permission to detect and control these elements on the lock screen. (Currently being rolled out.)

🔑 Device Administrator Permission
This app uses the Device Administrator permission to securely monitor unlock attempts.

❗ Important Notes
- Due to Android security precautions, your phone must be unlocked once after reboot for CrookCatcher to access the camera.
- CrookCatcher does not support pop-up cameras or fingerprint errors.
- On android 13 and above, you will see a mandatory system notification when the camera is in use.

🛠 Help & Support
For more information please visit www.crookcatcher.app
For frequently asked questions, please visit www.crookcatcher.app/help
To learn how CrookCatcher respects your privacy, please visit www.crookcatcher.app/privacy.

Protect your phone from theft and unauthorised access with CrookCatcher!

CrookCatcher is an app that takes a picture when someone tries to unlock your phone with the wrong PIN, password or pattern. It then secretly emails you the picture, the GPS location and estimated address of your phone. CrookCatcher helps thousands around the world protect their phones from thieves and unauthorized users.

🌐 Worldwide in use
With over 5 million downloads, CrookCatcher has helped countless people worldwide identifying thieves and recovering stolen phones.

🔒 Android's built-in lock screen protection
CrookCatcher utilises Android's built-in lock screen for a seamless and secure experience.

🔋 Battery
CrookCatcher is only active upon incorrect password, PIN, or pattern entries, remaining idle at other times to save battery 💤.

🥳 Essential Features (Free)
✅  Take picture
✅  Find phone GPS location
✅  Send alert emails with picture and location

⭐⭐ PRO Features ⭐⭐
✅  Take multiple pictures with both cameras
✅ Record sound clip
✅  Sound alarm
✅ Show custom message to thief on lock screen
✅  Show a fake home screen: if someone forces you to hand over your unlocked phone
✅ Take a picture when someone unlocks the phone successfully after previous failed attempts
✅ Postpone sending email if phone has no internet connection
✅ Change email subject: so a thief doesn't see revealing email notifications
✅ Lock the app with a pattern
✅ Disguise app: change CrookCatcher icon to a files icon.
✅ No ads

🔑 Device Administrator Permission
This app uses the Device Administrator permission to securely monitor unlock attempts.

❗ Important Notes
- Due to Android security precautions, your phone must be unlocked once after reboot for CrookCatcher to access the camera.
- CrookCatcher does not support pop-up cameras or fingerprint errors.
- On android 13 and above, you will see a mandatory system notification when the camera is in use.

🛠 Help & Support
For more information please visit www.crookcatcher.app
For frequently asked questions, please visit www.crookcatcher.app/help
To learn how CrookCatcher respects your privacy, please visit www.crookcatcher.app/privacy.

Protect your phone from theft and unauthorised access with CrookCatcher!

CrookCatcher is an app that takes a picture of anyone trying to unlock your phone with the wrong pin-code, password or pattern. It then emails the photo along with your phone's GPS location to you, without them knowing.

CrookCatcher has helped many people recover their stolen phones, as they were able to show a picture of the thief to the police or their friend group, who could then identify the thief. Please never attempt to recover a stolen phone from the thief by yourself as this could be dangerous.

Essential features are free:
• Take picture
• Obtain location
• Send alert email

PRO features:
• Multiple pictures with both cameras
• Record sound clip
• Sound alarm
• Show message to thief on lock screen
• Fake home screen: if someone should force you to hand over your unlocked
phone
• Detect break-in
• Retry email: if phone is offline, save email for later
• Change email subject: so a thief doesn't see revealing email notifications
• App lock
• Disguise app: change CrookCatcher icon to a files icon.
• Hide alert notifications until unlocked
• No ads

More information can be found in the app or the website: www.crookcatcher.app

HELP: www.crookcatcher.app/help

Note:
- This app uses the Device Administrator permission to monitor screen unlock attempts.
- If you are having trouble uninstall CrookCatcher: Restart your device, wait 10 minutes, then go to CrookCatcher -> Help -> Uninstall.
- CrookCatcher does not support pop up cameras.
- CrookCatcher cannot detect wrong fingerprints
- Unfortunately, after rebooting the phone must be unlocked once before CrookCatcher works. This is an android security precaution that we cannot circumvent.

CrookCatcher is an app that takes a picture of anyone trying to unlock your phone with the wrong pin-code, password or pattern. It then emails the photo along with your phone's GPS location to you, without them knowing.

CrookCatcher has helped many people recover their stolen phones, as they were able to show a picture of the thief to the police or their friend group, who could then identify the thief. Please never attempt to recover a stolen phone from the thief by yourself as this could be dangerous.

Essential features are free:
• Take picture
• Obtain location
• Send alert email

PRO features:
• Multiple pictures with both cameras
• Record sound clip
• Sound alarm
• Show message to thief on lock screen
• Fake home screen: if someone should force you to hand over your unlocked
phone
• Detect break-in
• Retry email: if phone is offline, save email for later
• Change email subject: so a thief doesn't see revealing email notifications
• App lock
• Disguise app: change CrookCatcher icon to a files icon.
• Hide alert notifications until unlocked
• No ads

More information can be found in the app or the website: www.crookcatcher.app

HELP: www.crookcatcher.app/help

Note:
- This app uses the Device Administrator permission to monitor screen unlock attempts.
- If you are having trouble uninstall CrookCatcher: Restart your device, wait 10 minutes, then go to CrookCatcher -> Help -> Uninstall.
- CrookCatcher does not support pop up cameras.
- CrookCatcher cannot detect wrong fingerprints
- Unfortunately, after rebooting the phone must be unlocked once before CrookCatcher works. This is an android security precaution that we cannot circumvent.

CrookCatcher is an app that takes a picture of anyone trying to unlock your phone with the wrong pin-code, password or pattern. It then emails the photo along with your phone's GPS location to you, without them knowing.

CrookCatcher has helped many people recover their stolen phones, as they were able to show a picture of the thief to the police or their friend group, who could then identify the thief. Please never attempt to recover a stolen phone from the thief by yourself as this could be dangerous.

Essential features are free:
• Take picture
• Obtain location
• Send alert email

PRO features:
• Multiple pictures with both cameras
• Record sound clip
• Sound alarm
• Show message to thief on lock screen
• Fake home screen: if someone should force you to hand over your unlocked
phone
• Detect break-in
• Retry email: if phone is offline, save email for later
• Change email subject: so a thief doesn't see revealing email notifications
• App lock
• Disguise app: change CrookCatcher icon to a files icon.
• Hide alert notifications until unlocked
• No ads

More information can be found in the app or the website: www.crookcatcher.app

HELP: www.crookcatcher.app/help

Note:
- This app uses the Device Administrator permission to monitor screen unlock attempts.
- If you are having trouble uninstall CrookCatcher: Restart your device, wait 10 minutes, then go to CrookCatcher -> Help -> Uninstall.
- CrookCatcher does not support pop up cameras.
- CrookCatcher cannot detect wrong fingerprints
- Unfortunately, after rebooting the phone must be unlocked once before CrookCatcher works. This is an android security precaution that we cannot circumvent.

CrookCatcher is an app that takes a picture of anyone trying to unlock your phone with the wrong pin-code, password or pattern. It then emails the photo along with your phone's GPS location to you, without them knowing.

CrookCatcher has helped many people recover their stolen phones, as they were able to show a picture of the thief to the police or their friend group, who could then identify the thief. Please never attempt to recover a stolen phone from the thief by yourself as this could be dangerous.

CrookCatcher works for free, but with CrookCatcher Pro you get more security features:
• Take multiple pictures with both cameras
• Record sound clip
• Sound alarm
• Display a message on lock screen for thief
• Show a fake home screen
• Detect break in
• Retry email
• Change email subject
• Lock app with a pattern
• Disguise app

More information can be found in the app or the website: www.crookcatcher.app

HELP: www.crookcatcher.app/help

Note:
- This app uses the Device Administrator permission to monitor screen unlock attempts.
- If you are having trouble uninstall CrookCatcher: Restart your device, wait 10 minutes, then go to CrookCatcher -> Help -> Uninstall.
- CrookCatcher does not support pop up cameras.
- CrookCatcher cannot detect wrong fingerprints
- Unfortunately, after rebooting the phone must be unlocked once before CrookCatcher works. This is an android security precaution that we cannot circumvent.

Disaster scenario #1: What if your phone got stolen?

With CrookCatcher installed on your phone or tablet, you might have a chance at getting it back!

CrookCatcher hides behind the lockscreen and takes a picture of anyone trying to unlock your device with the wrong pin, password or pattern.

CrookCatcher immediately emails the photo of the crook to you, along with your device’s current GPS location.

So whether your phone gets stolen or your coworker/partner/friend is simply snooping around, with CrookCatcher you always know if you have an intruder!

FEATURES

• Takes photo with secret camera when someone tries to unlock your phone with the wrong code.

• Sends email with photo, GPS coordinates, accuracy, estimated street address, map and link to Google Device Manager with which you can track your device’s location 24/7.

• Works with password, pin code and pattern lock.

• Combined map and photo view to browse pictures inside the app.

• Of course it is completely silent and secret (turn off notifications in settings).

• No battery drain - CrookCatcher only runs when the wrong code is entered.

• Select number of unlock attempts before picture is taken

PREMIUM FEATURES

• More picture combinations
Take 2 pictures with front camera and 2 pictures with back camera.

• Record sound clip
With sound recordings you can learn more about the surroundings and possibly identify voices.

• Sound alarm
Play a custom alarm sound at full volume when the wrong password is put it.

• Alert Message
Show a custom message on the lock screen, when a picture is taken. You could tell the crook to return your phone, or you'll show their picture to the police.

• Detect break in
Take a picture and send alert email if the crook guesses the right password after having failed.

• Retry email
If disconnected from the internet, postpone emails until back online.

• Change email subject
Change email subject text, to avoid crooks seeing revealing notifications

• App lock
Set a pattern lock to access CrookCatcher. Fingerprint can also be used.

• Disguise app
Change app icon and label to look like a Files app, so intruders won't find out you have CrookCatcher installed.

• Hide Notifications
Don't let the crook know that you got him on camera

• No ads
Enjoy an ad-free app and support the development of CrookCatcher.
- - - - - - - - - - - - - C - - - - - - - - - - - - -

HELP: http://jakobharteg.com/crookcatcher/help.html

Note: This app uses the Device Administrator permission to monitor screen unlock attempts.

Pop up cameras
CrookCatcher does not support pop up cameras.

Disaster scenario #1: What if your phone got stolen?
With CrookCatcher installed on your phone or tablet, you might have a chance at getting it back!
CrookCatcher hides behind the lockscreen and takes a picture of anyone trying to unlock your device with the wrong pin, password or pattern.
CrookCatcher immediately emails the photo of the crook to you, along with your device’s current GPS location.
So whether your phone gets stolen or your coworker/partner/friend is simply snooping around, with CrookCatcher you always know if you have an intruder!
FEATURES
• Takes photo with secret camera when someone tries to unlock your phone with the wrong code.
• Sends email with photo, GPS coordinates, accuracy, estimated street address, map and link to Google Device Manager with which you can track your device’s location 24/7.
• Works with password, pin code and pattern lock.
• Combined map and photo view to browse pictures inside the app.
• Of course it is completely silent and secret (turn off notifications in settings).
• No battery drain - CrookCatcher only runs when the wrong code is entered.
• Select number of unlock attempts before picture is taken
PREMIUM FEATURES
• More picture combinations
Take 2 pictures with front camera and 2 pictures with back camera.
• Record sound clip
With sound recordings you can learn more about the surroundings and possibly identify voices.
• Sound alarm
Play a custom alarm sound at full volume when the wrong password is put it.
• Alert Message
Show a custom message on the lock screen, when a picture is taken. You could tell the crook to return your phone, or you\u0027ll show their picture to the police.
• Detect break in
Take a picture and send alert email if the crook guesses the right password after having failed.
• Retry email
If disconnected from the internet, postpone emails until back online.
• Change email subject
Change email subject text, to avoid crooks seeing revealing notifications
• App lock
Set a pattern lock to access CrookCatcher. Fingerprint can also be used.
• Disguise app
Change app icon and label to look like a Files app, so intruders won\u0027t find out you have CrookCatcher installed.
• Hide Notifications
Don\u0027t let the crook know that you got him on camera
• No ads
Enjoy an ad-free app and support the development of CrookCatcher.
- - - - - - - - - - - - - C - - - - - - - - - - - - -
HELP: http://jakobharteg.com/crookcatcher/help.html
Note: This app uses the Device Administrator permission to monitor screen unlock attempts.
Pop up cameras
CrookCatcher does not support pop up cameras.

Disaster scenario #1: What if your phone got stolen?
With CrookCatcher installed on your phone or tablet, you might have a chance at getting it back!
CrookCatcher hides behind the lockscreen and takes a picture of anyone trying to unlock your device with the wrong pin, password or pattern.
CrookCatcher immediately emails the photo of the crook to you, along with your device’s current GPS location.
So whether your phone gets stolen or your coworker/partner/friend is simply snooping around, with CrookCatcher you always know if you have an intruder!
FEATURES
• Takes photo with secret camera when someone tries to unlock your phone with the wrong code.
• Sends email with photo, GPS coordinates, accuracy, estimated street address, map and link to Google Device Manager with which you can track your device’s location 24/7.
• Works with password, pin code and pattern lock.
• Combined map and photo view to browse pictures inside the app.
• Of course it is completely silent and secret (turn off notifications in settings).
• No battery drain - CrookCatcher only runs when the wrong code is entered.
• Select number of unlock attempts before picture is taken
PREMIUM FEATURES
• More picture combinations
Take 2 pictures with front camera and 2 pictures with back camera.
• Record sound clip
With sound recordings you can learn more about the surroundings and possibly identify voices.
• Sound alarm
Play a custom alarm sound at full volume when the wrong password is put it.
• Alert Message
Show a custom message on the lock screen, when a picture is taken. You could tell the crook to return your phone, or you\u0027ll show their picture to the police.
• Detect break in
Take a picture and send alert email if the crook guesses the right password after having failed.
• Retry email
If disconnected from the internet, postpone emails until back online.
• Change email subject
Change email subject text, to avoid crooks seeing revealing notifications
• App lock
Set a pattern lock to access CrookCatcher. Fingerprint can also be used.
• Disguise app
Change app icon and label to look like a Files app, so intruders won\u0027t find out you have CrookCatcher installed.
• Hide Notifications
Don\u0027t let the crook know that you got him on camera
• No ads
Enjoy an ad-free app and support the development of CrookCatcher.
- - - - - - - - - - - - - C - - - - - - - - - - - - -
HELP: http://jakobharteg.com/crookcatcher/help.html
Note: This app uses the Device Administrator permission to monitor screen unlock attempts.
Pop up cameras
CrookCatcher does not support pop up cameras.