10% OFF
$359.99
$399.99
Updated November 2026
Data from the official Eufy and Wyze sites.
2026 verdict
For a simpler Wi-Fi smart lock, the Wyze Auto-Lock Bolt v2 is the better buy, winning on price, owner reception, battery life (8 months on 8 AA cells against 4 months) and entry options, since it adds a fingerprint reader.
The Eufy FamiLock S3 Max is a very different product: a lock with a 2K doorbell camera built in, night vision, motion detection and internal video storage, plus IP65 weather resistance and support for Apple Home, SmartThings, Home Assistant, Google Home and Matter. Both lock on their own once the door closes, both offer an anti-peep keypad, a physical key and Alexa control. Go with the Wyze Auto-Lock Bolt v2 if you want a dependable fingerprint deadbolt that rarely needs new batteries; go with the Eufy FamiLock S3 Max if you want the door lock and the video doorbell to be one device inside a wide smart home ecosystem.
Connectivity
- Wi-Fi 2.4 GHz
vs
Winner
Works with
Connectivity
- Wi-Fi 2.4 GHz
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| Feature | Eufy FamiLock S3 Max | Wyze Auto-Lock Bolt v2 | Winner |
|---|---|---|---|
| Price | $359.99 | $79.00 | Wyze Auto-Lock Bolt v2 |
| Rating | 4.3 | 4.5 | Wyze Auto-Lock Bolt v2 |
| Weather Resistance | IP65 | IP53 | Eufy FamiLock S3 Max |
| Battery Life | 4 months | 8 months | Wyze Auto-Lock Bolt v2 |
| Integrations | Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter | Alexa | Eufy FamiLock S3 Max |
| Lock/Unlock System | Remote, Passcode, Physical Key | Remote, Passcode, Fingerprint, Physical Key | Wyze Auto-Lock Bolt v2 |
| Doorbell | YES | NO | Eufy FamiLock S3 Max |
| Connectivity | 2.4 GHz WiFi | 2.4 GHz WiFi | Tie |
| Anti-peep Password | YES | YES | Tie |
| Emergency Fingerprint | NO | NO | Tie |
10% OFF
$359.99
$399.99
- + Weather Resistance: IP65
- + Integrations: Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
- + Doorbell: YES
- - Price: $359.99 vs $79.00
- - Rating: 4.3 vs 4.5
Winner
$79.00
- + Price: $79.00
- + Rating: 4.5
- + Battery Life: 8 months
- - Weather Resistance: IP53 vs IP65
- - Integrations: Alexa vs Google Home, Alexa, Apple HomeKit, Samsung SmartThings, Home Assistant, Matter
Frequently Asked Questions
Which is better overall: Eufy FamiLock S3 Max or Wyze Auto-Lock Bolt v2?
The Wyze Auto-Lock Bolt v2 wins overall on price, owner feedback, longer battery life and a built-in fingerprint reader. The Eufy FamiLock S3 Max is the pick for buyers who want a doorbell camera and broad platform support in the lock itself.
What is the biggest difference between the Eufy FamiLock S3 Max and the Wyze Auto-Lock Bolt v2?
The Eufy FamiLock S3 Max has a 2K video doorbell built into the lock, with night vision, motion detection and internal storage. The Wyze Auto-Lock Bolt v2 has no camera and is a straightforward keypad and fingerprint deadbolt.
Which smart lock lasts longer on batteries?
The Wyze Auto-Lock Bolt v2 is rated for about 8 months on 8 AA batteries and has a USB-C emergency port. The Eufy FamiLock S3 Max uses a built-in battery rated for about 4 months, with 4 AAA batteries as backup.
Does the Eufy FamiLock S3 Max or the Wyze Auto-Lock Bolt v2 work with Apple Home and Matter?
The Eufy FamiLock S3 Max works with Apple Home, Matter, SmartThings, Google Home, Home Assistant and Alexa. The Wyze Auto-Lock Bolt v2 works with Alexa and does not support Apple Home, SmartThings or Matter.
Who should buy the Wyze Auto-Lock Bolt v2?
Buy the Wyze Auto-Lock Bolt v2 if you want an affordable Wi-Fi deadbolt with fingerprint and keypad entry, auto-lock and long battery life, and Alexa is your voice assistant.
Who should buy the Eufy FamiLock S3 Max?
Buy the Eufy FamiLock S3 Max if you want the lock to double as a 2K doorbell camera, need IP65 weather resistance, or run Apple Home, SmartThings or a Matter setup.
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