Lockwatch vs CrookCatcher vs WTMP

Looking for an Android app that takes photos or videos when someone enters the wrong PIN, password or pattern on your lock screen? Compare Lockwatch, CrookCatcher and WTMP on the features that matter after a phone is lost or stolen.

See how each app handles video or photo evidence, GPS location, email delivery, SIM change and power-on detection, retry behavior, and avoids false alarms.

Feature comparison
Feature Lockwatch CrookCatcher WTMP (Who Touched My Phone)
Captures a photo and GPS location when someone enters the wrong PIN, password or pattern on your lock screen
Keeps on-device history for reviewing captured evidence later
Uses face detection to capture better intruder photos
Detects unlock attempts after restart, before the phone is first unlocked
Avoids false alarms if the correct code is entered within 10 seconds
Retries sending alerts when the phone comes back online
Sends evidence to any email address without Gmail account access Needs Gmail account access No email support
Video recording with audio after incorrect unlock attempts Premium feature Pro feature
Back-facing camera photo to capture the intruder's surroundings Premium feature Pro feature
Receive SIM change alerts with phone number and carrier details Premium feature
Receive location alerts when the phone turns on or restarts Premium feature

Information checked and correct as of May 2026. Sources checked: Google Play listings and websites for CrookCatcher and WTMP (Who Touched My Phone).

Why choose Lockwatch?

One of the original Android thief-catcher apps, Lockwatch has been helping users catch phone intruders since 2013. It focuses on fast, useful evidence after someone enters the wrong PIN, password or pattern: photos timed with face detection, video with sound, GPS location, email delivery, on-device history, SIM change alerts, power-on alerts and automatic resending when the phone comes back online.

Get it on Google Play