Nuki, a stalwart U.K. smart lock brand, arrives in the U.S. with plans to shake up the retrofit smart lock space.

The Nuki Smart Lock ($159) is the most advanced retrofit smart lock I’ve tested. It features a sleek, compact design that looks and works like a regular doorknob, but it’s muc ...

Of course, this might not be the case on every single smart lock on the market – some are more affordable and strip the ...