IntruderCheck keeps the 10 most recent unlock events. There is no such limitation if you upgrade to PRO mode. The latest Android platform requires IntruderCheck to show a notification on the status bar. You can hide it so that IntruderCheck is completely running in the background. Failed password attempt monitoring requires IntruderCheck to be a device administrator; may fail to capture image if face unlock is enabled.If the camera is not available (or is in use by other apps or is locked by the Android system) when the phone is unlocked, the event will still be recorded with a timestamp. Free and ad-free tool that helps you check if there is any intruder accessing your device without your consent.When the service is enabled, IntruderCheck takes a picture using the front camera once the device is unlocked. The images taken are hidden from the photo gallery and file managers.
Supported Android Devices : [5.0–5.0.2] Lollipop – [6.0 – 6.0.1] Marshmallow – [7.0 – 7.1.1] Nougat – [8.0-8.1] Oreo –  Pie