Crookcatcher icon

Catch anyone snooping around your phone

Get it on Google Play

Enter a wrong pin, pattern or password and CrookCatcher takes a secret selfie


CrookCatcher then locates your phone with GPS


Finally, CrookCatcher sends pictures and location to your email

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CrookCatcher Pro

Essential features are free
Upgrade to Pro for more



Take picture

Take a picture when a wrong password, pin or pattern is entered.

Obtain location

Locate phone with GPS when picture is taken.

Send alert email

Email picture and location to you.

Multiple pictures

For instance, take 2 pictures with both front and back camera to find out about the surroundings.

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.

Fake home screen

Should you be forced to hand over your unlocked phone to someone, with this feature enabled, simply put in a wrong password and a fake home screen will appear, preventing the thief from getting access to your personal data.

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 alert 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 name to look like a Files app, so intruders won't find out you have CrookCatcher installed.

Hide notifications untill unlocked

Only show alert notifications on device after successful unlock. This way crooks won't know they got caught.

No ads

Enjoy an ad-free app and support the development of CrookCatcher.

No subscription

Get all the benefits of CrookCatcher Pro with a one-time purchase.

CrookCatcher Pro is available for purchase inside the app.

Crookcatcher icon

Download now, before it's too late...

Get it on Google Play