Eufy Security Smart Lock S230 vs Eufy Smart Lock C220

The Eufy Security Smart Lock S230 is the stronger overall pick between eufy's two fingerprint deadbolts, with a longer warranty, tougher weather resistance, longer battery life and a built-in one-time guest password. The Eufy Smart Lock C220 trades that for a lower price and Home Assistant support on its spec sheet.

Weatherproofing and guest access. The Eufy Security Smart Lock S230 carries a tougher IP65 rating and includes a one-time password for temporary access, while the Eufy Smart Lock C220 is IP53 rated and skips it, though it lists Home Assistant support.

The Eufy Security Smart Lock S230, whose built-in rechargeable battery is rated to last around a year, compared with roughly eight months for the Eufy Smart Lock C220, which runs on 8 AA batteries instead.

No, neither the Eufy Security Smart Lock S230 nor the Eufy Smart Lock C220 supports Apple HomeKit or Matter. Neither lock supports Apple Home Key either, so an iPhone or Apple Watch cannot open them with a tap.

Buyers who want the more weather-resistant, longer-warrantied of eufy's two fingerprint deadbolts, plus one-time and periodic guest codes for renters, cleaners or short-term visitors.

Budget-focused buyers who still want a reliable, hub-free fingerprint deadbolt, and who value Home Assistant support over the S230's tougher weatherproofing and longer warranty.