I test smart locks for a living, and the most reliable one I've used is on sale for $135
Briefly

The Aqara U100 smart lock is on sale for $135, down from $230. Installation takes less than 15 minutes, with easy setup via the Aqara app. Basic features operate without an Aqara Hub, but remote actions and configurations require one. The U100 allows for up to 75 passcodes and 50 fingerprints, boasting a recognition rate of 98.6%. It also supports Apple Home Key for convenient unlocking via iPhone.
The U100 smart lock features a keypad that requires 6-10 digit passcodes to open, allowing for the addition of one-time or scheduled passcodes.
You can add up to 50 fingerprints in the app, and Aqara states its fingerprint reader boasts a 98.6% recognition rate, ensuring reliable access.
Setting up the U100 smart lock took less than 15 minutes, demonstrating its straightforward installation despite the absence of included instructions.
To use advanced features like remote control, a Hub is required, while basic functions only need a direct Bluetooth connection.
Read at ZDNET
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