Aqara
Aqara Smart Lock U100
$169.99Cheaper
Released 2022
Best Smart Locks · head-to-head
Aqara Smart Lock U100 vs Ultraloq U-Bolt Pro WiFi
A sourced, side-by-side comparison. Aqara Smart Lock U100 is cheaper at $169.99. Every spec and price links to its source.
Ultraloq
Ultraloq U-Bolt Pro WiFi
$179.99
Released 2021
Which is better: the Aqara Smart Lock U100 or Ultraloq U-Bolt Pro WiFi?
On the specs we track, they're closely matched. The Aqara Smart Lock U100 is the cheaper at $169.99.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Aqara Smart Lock U100 | Ultraloq U-Bolt Pro WiFi |
|---|---|---|
| US price | $169.99 | $179.99 |
| Brand | Aqara | Ultraloq |
| Released | 2022 | 2021 |
| Unlock methods | fingerprint (98.6% accuracy, <0.5s recognition, 50 prints), keypad PIN (permanent/periodic/one-time), Apple Home Key (NFC tap on iPhone/Apple Watch), NFC tag (2 included), smartphone app, physical key backup | fingerprint (100 fingerprints, 0.3s recognition), keypad PIN (up to 50 codes), smartphone app (iOS/Android), Apple Watch, auto-unlock (geofence), physical key override |
| Connectivity | Zigbee (requires Aqara hub for remote features); Bluetooth for direct app setup | Wi-Fi 2.4GHz 802.11 b/g/n built-in, Bluetooth; also available in Z-Wave Plus and Matter over Thread variants |
| Matter | Yes | No |
| Auto lock | Yes | Yes |
| Battery type | 4× AA | 4× AA (alkaline or lithium) |
| Finish options | Shadow Gray, Silver | Matte Black, Satin Nickel (inferred from product line; specific finishes not enumerated on page accessed) |
| Install type | Replaces existing deadbolt — single-bore door, DIY no-drill for most doors | Replaces existing deadbolt — single-bore 2-1/8" door, DIY 4-screw install |
| Release | 2022 | 2021 |
Sources — Aqara Smart Lock U100: aqara.com (verified 2026-06-15). Ultraloq U-Bolt Pro WiFi: u-tec.com (verified 2026-06-15).
What's the difference between the Aqara Smart Lock U100 and Ultraloq U-Bolt Pro WiFi?
Where the two actually differ on the specs we track (6 of 7). Matching specs are omitted.
- Unlock methods: Aqara Smart Lock U100 fingerprint (98.6% accuracy, <0.5s recognition, 50 prints), keypad PIN (permanent/periodic/one-time), Apple Home Key (NFC tap on iPhone/Apple Watch), NFC tag (2 included), smartphone app, physical key backup vs Ultraloq U-Bolt Pro WiFi fingerprint (100 fingerprints, 0.3s recognition), keypad PIN (up to 50 codes), smartphone app (iOS/Android), Apple Watch, auto-unlock (geofence), physical key override
- Connectivity: Aqara Smart Lock U100 Zigbee (requires Aqara hub for remote features); Bluetooth for direct app setup vs Ultraloq U-Bolt Pro WiFi Wi-Fi 2.4GHz 802.11 b/g/n built-in, Bluetooth; also available in Z-Wave Plus and Matter over Thread variants
- Matter: Aqara Smart Lock U100 true vs Ultraloq U-Bolt Pro WiFi false
- Battery type: Aqara Smart Lock U100 4× AA vs Ultraloq U-Bolt Pro WiFi 4× AA (alkaline or lithium)
- Finish options: Aqara Smart Lock U100 Shadow Gray, Silver vs Ultraloq U-Bolt Pro WiFi Matte Black, Satin Nickel (inferred from product line; specific finishes not enumerated on page accessed)
- Install type: Aqara Smart Lock U100 Replaces existing deadbolt — single-bore door, DIY no-drill for most doors vs Ultraloq U-Bolt Pro WiFi Replaces existing deadbolt — single-bore 2-1/8" door, DIY 4-screw install
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Aqara Smart Lock U100
No sourced tester review yet.
Ultraloq U-Bolt Pro WiFi
Two hands-on testers reviewed this exact model: TechHive (Christopher Null) and Reviewed/USA Today (Rick Broida). Both praise the fingerprint reader, easy installation, multiple entry methods, and built-in Wi-Fi that needs no separate bridge. Both flag the strict 2.4GHz-only Wi-Fi with no dual-band support. They split on Wi-Fi setup reliability: TechHive called the built-in Wi-Fi 'half-baked' after it refused to join a mesh network, while Reviewed's app connected in seconds. (2 sourced reviews, 2 lab-tested.)
Praised: Fingerprint reader is fast and reliable; Easy, tool-light installation (roughly 10-20 min deadbolt swap); Multiple entry methods with flexible user management.
Flagged: 2.4GHz-only Wi-Fi, no dual-band support; No Apple HomeKit or Amazon Key support; So-so battery life on 4 AA cells (3-6 months claimed).