Eufy Security Smart Lock S230 vs Nuki Smart Lock Go

Eufy Security Smart Lock S230 has the better all-around case than Nuki Smart Lock Go in 2026, starting with rating, weather resistance, and one-time password. Its biggest wins come from rating, weather resistance, and one-time password, and periodic password and anti-peep password adds more confidence to the verdict. Nuki Smart Lock Go is still relevant if you care most about price, warranty, and connectivity, but Eufy Security Smart Lock S230 is the stronger recommendation overall. For the average buyer, Eufy Security Smart Lock S230 is the safer choice.