Cars have had smart keys for quite a while now, and they have almost entirely phased out regular keys. What are smart keys, actually? How do they work?

August Smart-Lock Turns Your Phone Into a House Key Forget key chains: A new device and app let you open doors with your smartphone.

Toyota has unveiled a new device aimed at allowing anyone to share their car. The Smart Key Box (SKB) can be installed in a vehicle so as to provide access to people via their smartphones.

Equipped with an NFC radio, the new Level Lock Plus with Apple Home Key support can unlock when your iPhone or Apple Watch is near.

The Aqara Smart Lock U100, SwitchBot Lock, and Yale Assure SL all now work with the new Matter smart home standard. Plus, Apple is bringing Home Key to Matter locks later this year.

Discover the top Apple Home Key-compatible smart locks for HomeKit users, offering security and convenience with seamless unlocking.