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ARPHA Keyless Smart Door Lock edges out the Ultraloq U-Bolt Pro WiFi in the smart locks category, especially in value ($30.99 vs $199), scoring 54 vs 40. If you want the better overall smart locks, ARPHA Keyless Smart Door Lock is the recommended choice.
Picking ARPHA Keyless Smart Door Lock over Ultraloq U-Bolt Pro WiFi means trading these off.
Scores are relative within the smart lockscategory. Percentages show each dimension's weight in the overall score. A difference of less than 0.5 points is considered a tie.
✓ Pros
✗ Cons
✓ Pros
| Spec | Ultraloq U-Bolt Pro WiFi | ARPHA Keyless Smart Door LockW |
|---|---|---|
| Price | 199$ | 30.99$✓ |
| Battery | — | 2200mAh |
| Bluetooth | Bluetooth 5.0 | Bluetooth 5.0 |
| Wi-Fi | Wi-Fi 2.4GHz | Wi-Fi 2.4GHz |
| Weight | 450g✓ | 800g |
| Colors | Satin Nickel, Bronze | Black, Silver |
Buy Ultraloq U-Bolt Pro WiFi if…
The Ultraloq U-Bolt Pro WiFi is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy ARPHA Keyless Smart Door Lock if…
Buy the ARPHA Keyless Smart Door Lock if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
ARPHA Keyless Smart Door Lock edges out the Ultraloq U-Bolt Pro WiFi in the smart locks category, especially in value ($30.99 vs $199), scoring 54 vs 40. If you want the better overall smart locks, ARPHA Keyless Smart Door Lock is the recommended choice.
No, ARPHA Keyless Smart Door Lock scores higher (68 vs 87).
ARPHA Keyless Smart Door Lock is cheaper at $30.99 vs $199 for the Ultraloq U-Bolt Pro WiFi.
The Ultraloq U-Bolt Pro WiFi is worth considering if you prefer its specific design, ecosystem, or brand — though it scores lower overall in our comparison.
Buy the ARPHA Keyless Smart Door Lock if you want the best overall value in this comparison. It scores higher overall and is the recommended choice for most buyers.
Ultraloq U-Bolt Pro WiFi is lighter at 450g vs 800g.
Reviewed by VersusMatrix Editorial Team
Last updated: April 25, 2026
Methodology: AI-powered analysis of technical specifications from manufacturer data. Scores are calculated by comparing products across multiple dimensions and normalized relative to the full category database. Our editorial process is independent and not influenced by affiliate partnerships.
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