Just like the iPad and iPhone, the iPod Touch (often referred to as the iTouch) includes a security feature that disables the device if you enter the wrong passcode too many times. You will then ...

If you have a Touch ID-equipped phone, ... Cheshire created a $3.99 product called MacID that allows you to use the Touch ID pad of your phone to unlock your Mac with a single tap.

The iPhone or iPad will then authenticate using Touch ID and unlock the phone. Without Raise to Wake, it’s one button press to make the screen light up then the device unlocks near instantaneously.