Average score
Product 1: eufy Video Smart Lock S330
4.1
Product 2: myQ Secure View 3-in-1 Smart...
3.8
Access logs
Product 1: eufy Video Smart Lock S330
4.7

Access/activity logging is a practical strength in real use: reviewers mention seeing who unlocked/locked and, in some cases, which fingerprint/user performed the action.

Product 2: myQ Secure View 3-in-1 Smart...
4.0

PINs can be assigned per person and activity/history views are referenced, enabling basic visibility into who accessed the door.

App
Product 1: eufy Video Smart Lock S330
4.4

The app is consistently described as clean and feature-rich, with detailed control over access, detection, notifications, and power modes. A recurring critique is that troubleshooting (especially calibration guidance) could be clearer, and some wanted phone-based tap/NFC unlock.

Product 2: myQ Secure View 3-in-1 Smart...
3.8

Reviews consistently praise the myQ app for guiding setup, managing PINs/biometrics, and providing remote control; however, multiple reviewers warn that key camera/AI conveniences may be gated by a subscription or altered over time.

Auto-lock
Product 1: eufy Video Smart Lock S330
4.2

Auto-lock is commonly praised for peace of mind and flexibility (including short delays and schedules). Some reviewers cautioned that auto-lock can be risky if your door isn’t reliably closed/aligned or if door state detection is imperfect.

Product 2: myQ Secure View 3-in-1 Smart...
4.0

Auto-lock can be enabled and timed in-app (example: ~90 seconds), providing set-and-forget security once the door is closed. Hands-free face access and other biometric/PIN methods make entry convenient, but at least one outlet notes face-based automations can require a paid plan, reducing the value of the feature.

Auto-relock after failed attempts
Product 1: eufy Video Smart Lock S330
4.3

Wrong-try protections are commonly described (lockdown/timeouts after multiple incorrect entries), helping reduce brute-force attempts and adding practical security beyond basic PIN entry.

Product 2: myQ Secure View 3-in-1 Smart...
No score yet
Backset compatibility
Product 1: eufy Video Smart Lock S330
4.5

Backset support is described as adjustable to common sizes (2 3/8 in and 2 3/4 in), which helps it fit typical deadbolt door prep.

Product 2: myQ Secure View 3-in-1 Smart...
4.5

Installation guidance explicitly supports common backsets (2-3/8 and 2-3/4), with the latch adjustable to match standard door prep.

Battery
Product 1: eufy Video Smart Lock S330
4.4

Battery life is a highlight: the 10,000mAh rechargeable pack is repeatedly described as lasting months, with long-term users charging only a few times per year when tuned (for example, human-only motion). Charging can take hours and you may need to supply your own USB-C power gear.

Product 2: myQ Secure View 3-in-1 Smart...
4.2

Most sources cite roughly 4–6+ months per charge and like the rechargeable pack; charging can take several hours, and a swap/spare battery option is mentioned for avoiding downtime.

Bluetooth
Product 1: eufy Video Smart Lock S330
4.1

Bluetooth is commonly mentioned as part of the lock-to-bridge communication path. Reviewers generally describe it as functional, primarily as an invisible link in the overall system.

Product 2: myQ Secure View 3-in-1 Smart...
3.8

Bluetooth is mentioned as part of the internal module/antenna during installation, but Wi-Fi remains the primary path for remote control and camera features.

Build quality and durability
Product 1: eufy Video Smart Lock S330
4.4

Build quality is widely described as heavy-duty and mostly metal, but it is also frequently called large/bulky. One expert review wanted a bit more robustness to make it an easy, universal recommendation.

Product 2: myQ Secure View 3-in-1 Smart...
4.4

Unboxing and install videos describe the exterior unit as dense/heavy with solid materials and good fit, suggesting strong build quality for a first-gen lock.

Door-sense
Product 1: eufy Video Smart Lock S330
2.5

Door state awareness appears mixed: at least one reviewer warned the lock may not reliably know whether the door is open or closed, which matters if you rely heavily on auto-lock behaviors.

Product 2: myQ Secure View 3-in-1 Smart...
4.3

A door-position sensor (magnet) can report door-ajar vs closed status and is used during calibration; installation can be adhesive or a more permanent drilled mount.

Door compatibility (deadbolt fit)
Product 1: eufy Video Smart Lock S330
3.4

Door fit is usually straightforward, but some doors may need extra attention: shallow strike-plate depth can trigger calibration failures, and tight tolerances mean misalignment can prevent reliable locking.

Product 2: myQ Secure View 3-in-1 Smart...
No score yet
Existing hardware reuse
Product 1: eufy Video Smart Lock S330
4.2

At least one installation guide notes you may be able to reuse existing deadbolt hardware if it fits flush, reducing the need to replace every component.

Product 2: myQ Secure View 3-in-1 Smart...
No score yet
Feature additions via updates
Product 1: eufy Video Smart Lock S330
4.5

At least one long-term reviewer highlighted meaningful feature additions via updates, such as unlocking directly from a live-view screen on supported cameras, improving day-to-day usability.

Product 2: myQ Secure View 3-in-1 Smart...
3.0

At least one reviewer notes an initial firmware update during setup; other coverage raises concerns that Chamberlain has historically changed features or added paywalls post-launch.

Fingerprint
Product 1: eufy Video Smart Lock S330
4.4

Fingerprint performance is polarizing: several owners describe it as among the fastest and most accurate they have used, while one expert reviewer struggled with repeated reads and wished for clearer activation feedback (lighting).

Product 2: myQ Secure View 3-in-1 Smart...
4.2

Fingerprint access is widely described as fast and reliable after setup, with support for enrolling multiple family members.

Guest Codes and Access
Product 1: eufy Video Smart Lock S330
4.4

Guest access options are robust, including temporary or scheduled PIN codes and app-based access. Scramble passcode and other convenience/security options are frequently cited.

Product 2: myQ Secure View 3-in-1 Smart...
4.2

Guest access is handled via PINs and temporary passes in the app, aimed at deliveries, pet sitters, and short-term visitors without sharing a physical key.

Hub requirement
Product 1: eufy Video Smart Lock S330
4.0

The required plug-in chime/bridge is a core part of the experience: it enables remote connectivity and local storage, and many liked having a loud indoor chime. Downsides include extra setup steps and needing to provide your own microSD card.

Product 2: myQ Secure View 3-in-1 Smart...
No score yet
Installation and Setup
Product 1: eufy Video Smart Lock S330
4.2

Most reviewers found installation similar to other full deadbolt replacements and generally manageable, but a few called out real-world friction: needing a second set of hands, long firmware updates, and careful mechanical alignment to avoid errors or motor strain.

Product 2: myQ Secure View 3-in-1 Smart...
4.1

DIY installation is considered doable with clear instructions, but some doors may require drilling or extra strike/fitment work; careful alignment and cable connections matter.

Jam detection
Product 1: eufy Video Smart Lock S330
2.8

Calibration and error states can present as jam-related warnings in the app for some installs, even when the deadbolt feels physically secure, creating nuisance alerts rather than true mechanical jams.

Product 2: myQ Secure View 3-in-1 Smart...
No score yet
Key override reliability
Product 1: eufy Video Smart Lock S330
No score yet
Product 2: myQ Secure View 3-in-1 Smart...
4.4

A physical key is available (often hidden under a cover), and multiple videos highlight an emergency 9V contact method to power the lock long enough to get inside if the main battery is drained.

Keypad
Product 1: eufy Video Smart Lock S330
4.2

The keypad is generally considered easy and reliable for daily use, with extra security options like scramble passcodes. One reviewer noted occasional wake-up/tap sensitivity issues before the keypad became responsive.

Product 2: myQ Secure View 3-in-1 Smart...
3.9

The touch keypad is easy to use and supports PIN entry for guests; one reviewer prefers physical buttons, so tactile feedback may not suit everyone.

Lock/unlock speed
Product 1: eufy Video Smart Lock S330
4.7

When the biometric reader works well, unlocks are described as extremely fast. However, experiences vary: some testers reported repeated attempts needed on the fingerprint sensor, while others called operation instant and consistent.

Product 2: myQ Secure View 3-in-1 Smart...
4.5

Multiple reviews repeat Chamberlain’s two-second unlock claim and hands-on videos describe face/fingerprint unlock as very quick in real use.

Locking motor
Product 1: eufy Video Smart Lock S330
4.2

The motor is sensitive to resistance: if the deadbolt/strike alignment is off, reviewers warned the motor may struggle or fail to complete a lock cycle. With good alignment, long-term users reported stable performance.

Product 2: myQ Secure View 3-in-1 Smart...
No score yet
Locking reliability
Product 1: eufy Video Smart Lock S330
4.2

Locking reliability is strong for many owners (including long-term use), but it is not universally flawless. Reported weak spots include finicky alignment/calibration states and occasional inconsistencies with certain external controls (like one-touch locking).

Product 2: myQ Secure View 3-in-1 Smart...
4.1

Locking works reliably after calibration, but one install notes initial tightness/alignment issues that required strike/door prep adjustments—typical of deadbolt installs.

Notifications
Product 1: eufy Video Smart Lock S330
4.1

Notifications are configurable and usually fast, but not perfect: a few reviewers saw delayed starts to recorded events, occasional missed motion/loitering triggers, or tradeoffs between faster alerts vs alerts that include thumbnails.

Product 2: myQ Secure View 3-in-1 Smart...
3.7

You will get basic lock and motion notifications, but richer, context-aware alerts (what triggered motion) and video-related conveniences may require a subscription.

Remote access
Product 1: eufy Video Smart Lock S330
4.5

Remote access is repeatedly described as convenient and reliable, including locking/unlocking from anywhere and checking lock status. Several reviewers highlighted using it for guests, contractors, or deliveries.

Product 2: myQ Secure View 3-in-1 Smart...
4.1

Remote lock/unlock from the myQ app is described as straightforward and responsive, making it practical for letting in guests or service providers when you are away.

Security features (encryption)
Product 1: eufy Video Smart Lock S330
4.0

Security and privacy discussion centers on local storage and app behavior; one reviewer noted an on-screen encryption message before video streams to the bridge. Overall, the product is framed as privacy-leaning due to non-subscription local storage, with some mention of broader brand scrutiny.

Product 2: myQ Secure View 3-in-1 Smart...
4.2

One walkthrough emphasizes that facial data stays on-device and references network protection settings, pointing to a privacy/security-first approach for biometrics.

Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
Product 1: eufy Video Smart Lock S330
3.4

Smart-home integration is limited compared to ecosystems that prioritize Apple: reviewers consistently note Alexa and Google support, but no Apple HomeKit, Matter, or IFTTT.

Product 2: myQ Secure View 3-in-1 Smart...
2.3

Coverage repeatedly notes limited integration with major platforms (Apple Home/HomeKit, Alexa, Google) and stronger ties to the myQ ecosystem and select security partners.

Touchscreen
Product 1: eufy Video Smart Lock S330
4.0

Touch controls are usually described as responsive and backlit, but at least one expert review reported needing multiple taps to wake the dark touchscreen at times.

Product 2: myQ Secure View 3-in-1 Smart...
3.8

The touchscreen/touch surface looks modern and responsive, but some users may still prefer traditional button keypads for feel and certainty.

User access management
Product 1: eufy Video Smart Lock S330
4.3

User management is broadly praised, including multiple users, fingerprints, and configurable access windows. Reviewers emphasized that it’s easy to add or adjust access in the app.

Product 2: myQ Secure View 3-in-1 Smart...
4.1

User and credential management (adding users, quick/temporary passes, PINs, faces, fingerprints) is a core strength highlighted in setup walkthroughs.

Value and Price
Product 1: eufy Video Smart Lock S330
4.0

Value is framed as strongest when the price is closer to the low-to-mid $300s, since it combines multiple devices and includes the chime/bridge. At full price near $400, reviewers still call it feature-rich, but expectations rise for perfect reliability and broad ecosystem support.

Product 2: myQ Secure View 3-in-1 Smart...
3.2

At roughly $279.99 plus potential monthly fees for premium camera/AI features, reviewers frame it as a premium-priced option where total cost depends on whether you subscribe.

Voice control
Product 1: eufy Video Smart Lock S330
4.1

Voice control works through Alexa and Google Assistant in supported setups, including lock/unlock commands and, in at least one review, routines tied to doorbell events.

Product 2: myQ Secure View 3-in-1 Smart...
1.3

Voice control via mainstream assistants is called out as missing/limited, so hands-free voice unlocking routines are not a focus here.

Warranty and support
Product 1: eufy Video Smart Lock S330
No score yet
Product 2: myQ Secure View 3-in-1 Smart...
2.7

Media coverage flags broader trust/support concerns based on Chamberlain’s past platform decisions, even though hands-on reviewers do not report direct support failures yet.

Weather resistance
Product 1: eufy Video Smart Lock S330
4.5

Weather resistance is presented as strong on paper (including an IP65 rating in one review), and no reviewer reported weather-related failures in the provided transcripts.

Product 2: myQ Secure View 3-in-1 Smart...
4.4

Hardware is presented as built for outdoor use with wide operating temperatures and good sealing/gasketing to help keep moisture out.

Wi-Fi
Product 1: eufy Video Smart Lock S330
3.9

Wi-Fi is tied to the required bridge and is noted as 2.4GHz in at least one expert review. In general, connectivity is described as stable, with one review calling out distance guidance between lock, chime/bridge, and router.

Product 2: myQ Secure View 3-in-1 Smart...
4.0

Wi-Fi setup is app-driven and generally smooth, but one install walkthrough highlights 2.4GHz-only pairing and a firmware update step during onboarding.