I have tested dozens of smart home products in my time here on Android Police, yet few of them have been as reliable and as effortless to use as Nuki. This smart lock that I reviewed back in December of 2017 has stayed on our door, offering us quick access to our house without any keys. So when the company told me it had a second generation available, I quickly jumped on the opportunity to try it out.

Nuki 2.0 doesn't change a lot, but improves a few features. The lock is still made for Euro Style/Profile Double Cylinders. It is now also compatible with knob and oval cylinders, uses Bluetooth 5.0 for better range, works with Apple HomeKit, has a Zigbee radio (though it's not active yet), and more conveniently, comes with a little sensor that detects when the door is physically open or closed.

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