Best Smart Locks of 2025: Tested and Reviewed

Smart locks are a highly visible part of your home that you'll use just about every day, so it's important to find a reliable pick that meshes well with your smart home. Here are the factors you should be thinking about as you shop. A retrofit smart lock like the August lock will replace the interior of your current lock but not the exterior keyhole or the deadbolt. CNET Full deadbolt or retrofit Most smart locks will replace the entirety of your existing lock, including the interior thumbturn, the exterior keyhole, and the deadbolt in the middle. Locks like those will also come with their own keys, which will replace the ones you're using now. Others, like the August Smart Lock, and the Lockly fingerprint model, are designed instead to work with at least some of your existing lock hardware. With a retrofit lock like that, you probably won't need new keys at all, and you might not even need to swap out the deadbolt. Locks like those can sometimes be a better fit for apartments, whe ... Read full article.