Aqara Smart Lock U400 vs Nuki Smart Lock Go

Aqara Smart Lock U400 is the more complete option versus Nuki Smart Lock Go in 2026, helped most by rating, weather resistance, and lock/unlock system. Its strongest advantages show up in rating, weather resistance, and lock/unlock system, with one-time password and periodic password helping widen the gap. Nuki Smart Lock Go can still be the right pick, but only if price and integrations outweighs the wider strengths of Aqara Smart Lock U400. That is enough to make Aqara Smart Lock U400 the better pick for most buyers.