I've tested dozens of smart locks, but I keep this one for its handy keycard feature
ZDNET's key takeaways The Aqara U100 smart lock was originally priced at $230, but it is currently discounted to $135. This smart lock is the most versatile I've tested; it offers a variety of unlocking options, a user-friendly app, and easy integration with Apple Home. The Aqara U100 drains the battery quickly, and the app doesn't always alert users, resulting in reduced performance within four months of use. $189.99 at Amazon $179.99 at Best Buy more buying choices The Aqara U100 Smart Lock