The best smart locks can make your home more secure but also save you time and provide peace of mind. We tested more than a dozen smart locks to find the best.

Retrofit Smart Locks (19) These offer all the same features as regular smart locks, but instead of fully replacing a deadbolt, they replace the interior side of your deadbolt. . . .

Xiaomi Smart Lock Can See: Integrated camera, screen, and doorbell. Durable, secure, with remote monitoring.