Imei Tracker 4.1 ((top))

Many "free" trackers are wrappers for malicious software designed to steal personal data.

The short answer is

is generally understood to be an advanced version of IMEI-based locating software. Unlike standard tracking that relies on a user’s Google or iCloud account (which a thief can turn off), IMEI Tracker 4.1 claims to interact directly with cellular network infrastructure —triangulating your device via cell towers regardless of whether GPS is on or the phone is factory reset. imei tracker 4.1

: An IMEI is a unique hardware identifier (serial number). It does not contain GPS hardware or broadcast its own location. Many "free" trackers are wrappers for malicious software