Aqara Smart Lock U600 vs Nuki Smart Lock Go

The Aqara Smart Lock U600, on IP65 weather sealing, up to ten months of battery life, no paid add-on for remote access and built-in fingerprint, keypad, NFC and Apple Home Key. The Nuki Smart Lock Go is the cheaper, renter-friendly retrofit, and the one to pick for hands-free auto-unlock on a European cylinder.

The door and the extras. The Aqara Smart Lock U600 fits a UK multipoint door, is IP65 rated and includes its keypad, fingerprint, NFC and Apple Home Key. The Nuki Smart Lock Go is a drill-free retrofit over a European euro-cylinder, with no weather rating and a paid remote-access option for control away from home.

For control away from home and some integrations, yes: Nuki's remote-access option is a separate purchase. Locally over Bluetooth the Nuki Smart Lock Go works without it. The Aqara Smart Lock U600 reaches remote control over Thread with no add-on, just a Thread Border Router.

The Aqara Smart Lock U600. Its outer panel is IP65 rated and it works from -20C to +55C. The Nuki Smart Lock Go has no weather rating and is intended for the inside of a sheltered door.

Owners of a UK multipoint front door who want a weatherproof lock with Apple Home Key, a fast fingerprint reader, keypad, NFC and a key built in, plus remote control over Thread without an add-on.

Renters and budget buyers with a European cylinder door who want a tool-free retrofit that keeps their key and unlocks hands-free as they approach, and who accept that remote access and a keypad each cost extra.