Eufy Smart Lock E30 vs Eufy Smart Lock E31 comparison

Updated August 2026

Data from Amazon and official Eufy site.

2026 verdict

Eufy Smart Lock E31 has the better all-around case than Eufy Smart Lock E30 in 2026, starting with battery life and Anti-peep password. It has the clearer edge on battery life and Anti-peep password, and it stays ahead on its broader overall balance. Eufy Smart Lock E30 still makes sense if price is your priority, but most buyers should still lean toward Eufy Smart Lock E31. That is why the final call still favors Eufy Smart Lock E31.

Feature	Eufy Smart Lock E30	Eufy Smart Lock E31	Winner
Price	$119.99	$144.99	Eufy Smart Lock E30
Battery Life	8 months	14 months	Eufy Smart Lock E31
Anti-peep Password	NO	YES	Eufy Smart Lock E31
Rating	4.2	4.2	Tie
Connectivity	2.4 GHz WiFi	2.4 GHz WiFi	Tie
Integrations	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter	Tie
Lock/Unlock System	Remote, Passcode, Fingerprint, Physical Key	Remote, Passcode, Fingerprint, Physical Key	Tie
One-Time Password	YES	YES	Tie
Periodic Password	YES	YES	Tie
Emergency Fingerprint	NO	NO	Tie
Doorbell	NO	NO	Tie

Eufy

Eufy Smart Lock E30

$119.99

Buy on Amazon USA

+ Price: $119.99
- Battery Life: 8 months vs 14 months
- Anti-peep Password: NO vs YES

Winner

Eufy

Eufy Smart Lock E31

$144.99

Buy on Amazon USA

+ Battery Life: 14 months
+ Anti-peep Password: YES
- Price: $144.99 vs $119.99

Frequently Asked Questions

Which is better overall: Eufy Smart Lock E30 or Eufy Smart Lock E31?

Eufy Smart Lock E31 has the stronger overall profile in this comparison, especially for battery life and Anti-peep password.

What is the biggest difference between Eufy Smart Lock E30 and Eufy Smart Lock E31?

Price is one of the clearest differences: Eufy Smart Lock E30 lists $119.99, while Eufy Smart Lock E31 lists $144.99.

Which one looks better on price?

Eufy Smart Lock E30 is listed at $119.99, while Eufy Smart Lock E31 is listed at $144.99. Eufy Smart Lock E30 (better spec).

Who should buy Eufy Smart Lock E30?

Choose Eufy Smart Lock E30 if your priority is price and that matters more than battery life.

Who should buy Eufy Smart Lock E31?

Choose Eufy Smart Lock E31 if your priority is battery life and Anti-peep password and that matters more than price.

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