A: No legal free version exists. The software is proprietary and requires the hardware dongle or probe to function. Piracy leads to non-functional copies or malware.

Version 4.3.0 introduced several improvements over earlier builds (such as 4.2.x or 3.x):

The device emits no radiation and uses passive frequency detection. It is considered safe for all ages, including pregnant women (though consult a physician before use). The only contraindication is for individuals with implantable electronic devices (e.g., pacemakers) due to the magnetic field interaction.