The 2013 iPhone 5S launch gave us Touch ID — a speedy, efficient way to unlock our smartphones without typing out a PIN. Thanks to Apple, fingerprint scanners are now commonplace.

The fingerprint sensor alone is worth the extra $100 you’ll pay for the 5S over an iPhone 5C. Both phones will come out Friday. In the week I’ve had with both, I’ve also been impressed with ...

Fingerprint biometrics have forever changed the smartphone authentication game. First popularized by the iPhone 5S, the technology has made its way to phones of all shapes and sizes.