Aqara Smart Lock U400 vs SwitchBot Lock

Aqara Smart Lock U400 is the more complete option versus SwitchBot Lock in 2026, helped most by weather resistance, connectivity, and one-time password. It builds its lead on weather resistance, connectivity, and one-time password, then backs it up with a stronger showing on periodic password and anti-peep password. There is still a case for SwitchBot Lock, but mainly if price, rating, and integrations is what you value most. That keeps the verdict firmly in favor of Aqara Smart Lock U400.