Now that you know to get a single cylinder lock, let’s break down your options security-wise. For the ultimate security, look ...

The most common smart locks from manufacturers like Yale and Schlage typically feature a keypad, whereas brands like August offer smart locks that install on top of existing deadbolts. Other brands, ...

A retrofit smart lock, on the other hand, only involves replacing some of your existing deadbolt’s components, typically, just the interior escutcheon. The exterior escutcheon will remain in place.

The SmartBot Lock doesn’t replace your deadbolt, it mounts on top of it on the inside of your door, with the lock’s thumb turn (or key, in the case of a double-cylinder lock) fitting inside ...

After 40 hours of research and interviews with locksmiths and security experts, the Schlage B60N deadbolt is the best door lock for most homes.