Biometric Time Clocks Explained: Fingerprint vs Facial Recognition

Biometric time clocks are increasingly used by employers to improve the accuracy and security of employee time tracking by verifying identity through unique physical characteristics. In most workplace settings, this technology takes the form of fingerprint scanning or facial recognition, each offering distinct advantages and challenges. This article explains how biometric time clocks work, compares fingerprint and facial recognition systems, and examines their suitability for different working environments, with particular attention to hygiene, intrusiveness, and UK GDPR compliance. It also outlines the key legal considerations organisations must address before implementing biometric attendance systems and how these tools integrate with modern HR software.