eufy FamiLock S3 Max vs ULTRALOQ U-Bolt Pro WiFi
Side-by-side comparison based on published product information. Check Amazon for current price and availability.
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We compare published manufacturer specifications, manuals, support policies, and relevant public guidance. We do not present unpublished laboratory or in-home measurements as our own testing.
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Use the feature table below to match published specifications to your storage, power, and monitoring requirements. We do not assign an overall score without retained independent test evidence.
ULTRALOQ U-Bolt Pro WiFi
ULTRALOQ
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Feature comparison
| Feature | eufy FamiLock S3 Max | ULTRALOQ U-Bolt Pro WiFi |
|---|---|---|
| Unlock methods | Palm vein, app, voice control, keypad password, physical key | — |
| Camera | 2K HDR, 150° x 150° view (180° diagonal), night vision | — |
| Display | 4-inch interior screen, 1080p | — |
| Connectivity | Built-in Wi-Fi (direct), Matter, Apple Home, Alexa, Google Home, SmartThings | Built-in Wi-Fi (2.4GHz, 802.11 b/g/n) + Bluetooth, no hub required |
| Security certification | ANSI/BHMA Grade 1, IP65 (-22°F to 158°F) | ANSI Grade 1, IP65 (-22°F to 149°F) |
| Power | 15,000 mAh rechargeable pack + 4 AAA backup, up to 5 months, 5V/2A charging | 4 AA batteries, up to 10-12 months |
| Codes/fingerprints capacity | Palm vein profiles for up to 50 family members | — |
| Key backup | Physical key (published unlock methods include keys) | Mechanical key override |
| Door compatibility | Most standard doors 35–55 mm thick | US standard doors with 2-1/8 in (53 mm) borehole; thickness 1.3–1.96 in (33–50 mm), Thick Door Kit for 1-3/4 to 2-1/4 in; backset adjustable 2-3/8 or 2-3/4 in |
| Warranty | 18 months (36 months for mechanical parts, eufy smart lock warranty) | 18-month electronic warranty, lifetime mechanical warranty |
| Entry methods | — | 8-in-1: fingerprint, keypad, app, auto-unlock, web, eKey, Apple Watch, key |
| Fingerprint | — | 360° reader, unlocks in about 0.3 seconds |
| Codes capacity | — | 50 users, 50 codes, 100 fingerprints (2 per user) |