So you would like to control your door with your phone? The SwitchBot WiFi Smart Lock is worth a look. It is a Bluetooth connected lock that turns your dumb door lock smart. It lets you lock and unlock it via your phone or Apple Watch. With a SwitchBot Hub mini, you can lock and unlock it remotely and control it with Google Assistant and Alexa.
This door lock lasts up to 6 months on battery. You can unlock it with a widget, without having to unlock your phone. The SwitchBot Lock uses ATS-128-CTR encryption.