If you want better Security features (encryption)
Choose Desloc D110 Plus Smart Lock. It scores 4.3 vs 3.5 for Security features (encryption), with a 4.2 overall score.
eufy Video Smart Lock S330 Review
Bottom Line
Choose the eufy Video Smart Lock S330 if you want one wireless lock, camera, doorbell, and fingerprint system. Skip it if you need HomeKit/Matter, a subtle doorbell button, or tolerance for imperfect door alignment.
Best for
Best for households that want one wireless device to handle locking, video doorbell duties, remote access, guest access, and fingerprint entry. It especially fits users who value local storage and do not want separate lock and doorbell hardware.
Not for
Not for users who need Apple HomeKit, Matter, IFTTT, subtle hardware, or long-range camera coverage. It is also a poor fit for doors with marginal deadbolt alignment unless the installer is willing to fine-tune the strike area.
Verdict
The eufy Video Smart Lock S330 stands out as an ambitious front-door all-in-one: reviewers repeatedly liked the fingerprint unlock, local-storage-friendly camera setup, remote control, and broad access options. Its best moments are convenience-driven, especially for households, contractors, deliveries, or anyone who wants a lock and video doorbell in one wireless unit. The tradeoff is that the product asks for more patience and space than a simpler smart lock. Some reviewers found installation and calibration easy, while others hit door-fit or jam-message frustrations, and camera/motion performance ranged from excellent to delayed or limited at distance. The strongest evidence points to a feature-rich, generally reliable lock with a few rough edges around setup precision, ecosystem limits, and event detection.
Feature Scorecards
Summary
29 reviewed features-
Very positive 4.5-5.011 (38%)
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Positive 3.5-4.414 (48%)
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Neutral 2.5-3.43 (10%)
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Negative 1.5-2.41 (3%)
Pros
-
The app was usually described as smooth, easy, useful, or user-friendly across reviews.
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Reviewers consistently praised the heavy, metal-feeling construction and durable build.
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Battery life was generally praised as long-lasting, though full charging can take several hours.
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Camera and doorbell performance was generally strong, especially video clarity, but motion timing, distance, and visitor button clarity were recurring caveats.
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Installation was often described as easy or manageable, but door fit and alignment created trouble for some reviewers.
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Auto-lock was valued for peace of mind, though one reviewer cautioned against using timed auto-lock without reliable door-position awareness.
Cons
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One reviewer found jam reporting annoying because a calibration issue made the app keep showing the lock as jammed.
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Door fit was context-dependent: some installations worked smoothly, while shallow strike plates, alignment, and size constraints caused problems.
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Door-sense evidence was mixed: departure detection was useful, but one reviewer criticized the lock for not knowing whether the door was open.
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Smart-home integration was mixed because Alexa/Google support was useful, but reviewers noted the lack of Apple HomeKit, IFTTT, or Matter.
Compared With Category Average
Compared with other Smart Locks, this product is above average in Wi-Fi, Remote access, Voice control, near average in Build quality and durability, Value and Price, below average in Jam detection, Security features (encryption), Door compatibility (deadbolt fit).
Comparison summary
29 compared features-
Above average 0.4+ pts higher12 (41%)
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Same as average within 0.3 pts12 (41%)
-
Below average 0.4+ pts lower5 (17%)
Largest category differences
| Attribute | This product | Category average | Difference |
|---|---|---|---|
| Jam detection | 2.0 | 4.0 | -2.0 |
| Wi-Fi | 5.0 | 3.7 | +1.3 |
| Remote access | 5.0 | 4.0 | +1.0 |
| Security features (encryption) | 3.5 | 4.6 | -1.1 |
| Voice control | 5.0 | 4.1 | +0.9 |
| Door compatibility (deadbolt fit) | 2.7 | 3.5 | -0.9 |
| Battery | 4.4 | 3.7 | +0.7 |
| Guest Codes and Access | 5.0 | 4.3 | +0.7 |
Consider This Instead
If you want better Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
Choose Lockly Visage Zeno Series Smart Lock. It scores 4.4 vs 3.0 for Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread), with a 4.0 overall score.
If you want better Jam detection
Choose Aqara U50 Smart Lock. It scores 4.5 vs 2.0 for Jam detection, with a 4.2 overall score.
If you want better Value and Price
Choose Wyze Auto-Lock Bolt v2 Smart Lock. It scores 5.0 vs 4.2 for Value and Price, with a 4.4 overall score.
Compared in Reviews
Products reviewers directly compared with this model, grouped into quick takeaways.
Lockly Vision Elite
- Compared: compactness and similar biometric/video/app control The reviewer describes Lockly Vision Elite as more compact while sharing many of the same core functions.
- Compared: combined doorbell-camera-lock concept The review frames Lockly Vision Elite as another example of the same doorbell-camera-lock category.
EZVIZ Video Doorbell
- Cheaper: basic video doorbell price The reviewer notes that a simple wired video doorbell can be far cheaper if deadbolt control is not needed.
Lockly Vision Doorbell Camera Smart Lock
- Worse: motion detection The review says eufy includes motion detection that the comparably priced Lockly model lacks.
FAQ
Is the eufy Video Smart Lock S330 easy to install?
Most reviewers found installation easy or manageable, but several noted that door alignment, strike-plate depth, or physical size can make setup tricky.
How good is the fingerprint reader?
Most evidence is very positive, with reviewers calling it fast, accurate, and instant. One reviewer had repeated failed reads, so performance may depend on the user or setup.
Does the camera perform well?
Reviewers generally liked the 2K video clarity and door-area visibility. The main caveats were delayed motion recording, weaker long-distance detail, and some missed motion or loitering events.
How is the battery life?
Battery life was repeatedly praised as long-lasting, with some reviewers reporting months between charges. One reviewer noted that a full recharge can take several hours.
Can it be controlled remotely?
Yes. Reviewers valued being able to check or unlock the door from the app, including while away from home, and several liked using it for guest or contractor access.
Does it work with Apple HomeKit or Matter?
Review evidence notes Alexa and Google support, but not Apple HomeKit, IFTTT, or Matter. Reviewers treated this as a limitation for broader smart-home interoperability.
Is it worth the price?
Most reviewers considered the price reasonable because it combines a smart lock, doorbell, 2K camera, fingerprint reader, app access, chime, and local-storage options in one device.
Sample Expert Reviews We Analyzed
These are a few of the reviews included in our analysis.
Video Reviews
YouTube - Youtube
- Review score
- 4.7
Article Reviews
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