6% OFF
$404.18
$429.98
Updated November 2026
Data from the official Eufy site.
2026 verdict
Eufy FamiLock S3 Max wins the 2026 matchup against Eufy FamiLock S3, mainly on price and rating.
The comparison tilts its way because of price and rating, with its broader overall balance keeping it in front. Choose Eufy FamiLock S3 only if its specific feature mix matters more to you than the broader advantage from Eufy FamiLock S3 Max. As a general recommendation, Eufy FamiLock S3 Max comes out on top.
Connectivity
- Wi-Fi 2.4 GHz
vs
Winner
10% OFF
$359.99
$399.99
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Eufy FamiLock S3 | Eufy FamiLock S3 Max | Winner |
|---|---|---|---|
| Price | $404.18 | $359.99 | Eufy FamiLock S3 Max |
| Rating | 4.0 | 4.3 | Eufy FamiLock S3 Max |
| Warranty | 1.5 years | 1.5 years | Tie |
| Weather Resistance | IP65 | IP65 | Tie |
| Battery Life | 4 months | 4 months | 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, Physical Key | Remote, Passcode, Physical Key | Tie |
| One-Time Password | YES | YES | Tie |
| Periodic Password | YES | YES | Tie |
| Anti-peep Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
6% OFF
$404.18
$429.98
- - Price: $404.18 vs $359.99
- - Rating: 4.0 vs 4.3
Winner
10% OFF
$359.99
$399.99
- + Price: $359.99
- + Rating: 4.3
Frequently Asked Questions
Which is better overall: Eufy FamiLock S3 or Eufy FamiLock S3 Max?
Eufy FamiLock S3 Max has the stronger overall profile in this comparison, especially for price and rating.
What is the biggest difference between Eufy FamiLock S3 and Eufy FamiLock S3 Max?
Price is one of the clearest differences: Eufy FamiLock S3 lists $404.18, while Eufy FamiLock S3 Max lists $359.99.
Which one looks better on price?
Eufy FamiLock S3 is listed at $404.18, while Eufy FamiLock S3 Max is listed at $359.99. Eufy FamiLock S3 Max (better spec).
Who should buy Eufy FamiLock S3?
Choose Eufy FamiLock S3 if your priority is its specific strengths and that matters more than price.
Who should buy Eufy FamiLock S3 Max?
Choose Eufy FamiLock S3 Max if your priority is price and rating and that matters more than the competing advantages.
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