Average score
Product 1: Level Lock+ Smart Lock
3.7
Product 2: eufy Video Smart Lock S330
4.1
Access logs
Product 1: Level Lock+ Smart Lock
3.9

Activity logging is available and useful for seeing who unlocked and when, but some reviewers want more detail and better accuracy, and at least one notes that logs can be more accessible when you are within Bluetooth range.

Product 2: 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.

Alarm/siren loudness (if included)
Product 1: Level Lock+ Smart Lock
3.3

Sound feedback is polarizing: the lock offers volume controls, but multiple reviewers still find the lowest setting too loud and wish silence or finer-grained control were available without relying on the Level app.

Product 2: eufy Video Smart Lock S330
No score yet
App
Product 1: Level Lock+ Smart Lock
4.0

The Level app is generally seen as capable for setup, sharing, passes, and tuning settings like sound and range, but several reviews note quirks (e.g., firmware update progress) and many Apple-first users rely more on the Home app day to day.

Product 2: 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.

Auto-lock
Product 1: Level Lock+ Smart Lock
3.9

Auto-lock works as a time-based setting and is generally seen as useful, but reviewers note it cannot confirm the door is actually closed. Some users compensate with Home automations using a separate door sensor. Auto-unlock exists but is treated as more finicky than Home Key, because it relies on Bluetooth plus location logic and often requires leaving the geofence boundary before it will re-arm. Several reviewers prefer NFC/Home Key for intentional, predictable entry.

Product 2: 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.

Auto-relock after failed attempts
Product 1: Level Lock+ Smart Lock
No score yet
Product 2: 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.

Backset compatibility
Product 1: Level Lock+ Smart Lock
4.1

Backset support is geared toward common standards (2-3/8 and 2-3/4 inches), with included parts like bolt extenders/long caps noted as helpful when adapting to typical door setups.

Product 2: 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.

Battery
Product 1: Level Lock+ Smart Lock
3.7

Battery design (CR2 hidden in the bolt) is widely praised for tool-free access and simplicity, with typical life estimates around six months. The most common complaint is the app reporting being too coarse (no percentage), making planning replacements harder.

Product 2: 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.

Bluetooth
Product 1: Level Lock+ Smart Lock
3.6

Bluetooth is central for local operation and some features, but it draws mixed feedback: some reviewers find it stable, while others call it temperamental and prefer Thread-class reliability. A boost-range option can help at the cost of battery life.

Product 2: 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.

Build quality and durability
Product 1: Level Lock+ Smart Lock
4.3

Build quality is consistently described as premium and discreet, with lots of metal and very little visible bulk. Multiple reviewers cite robust ratings/standards and generally trust the hardware durability once properly aligned.

Product 2: 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.

Door-sense
Product 1: Level Lock+ Smart Lock
2.3

Door-sense is a notable omission: multiple reviewers explicitly wish the lock could detect when the door is closed to make auto-lock smarter and reduce mis-lock scenarios on ajar doors.

Product 2: 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.

Door compatibility (deadbolt fit)
Product 1: Level Lock+ Smart Lock
3.7

Fit is best on standard deadbolt-prepped doors that close smoothly. Several reviews stress that misalignment, shallow strike holes, or the Lock+ round bolt/battery design can cause extra tweaking on some doors.

Product 2: 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.

Existing hardware reuse
Product 1: Level Lock+ Smart Lock
3.0

This model replaces the full deadbolt, so you generally cannot reuse your existing keyed hardware the way retrofit kits can. Rekeying is possible but often framed as a locksmith job, and some reviewers note it is not a casual DIY swap.

Product 2: 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.

Feature additions via updates
Product 1: Level Lock+ Smart Lock
3.4

Firmware and future features come up often: reviewers mention updates and the expectation of expanded Thread/Matter capabilities, but also express frustration with delays or minor app update bugs like progress reporting.

Product 2: 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.

Fingerprint
Product 1: Level Lock+ Smart Lock
1.5

Fingerprint entry is not included, and at least one reviewer flags this as a missing convenience feature compared with similarly priced competitors that bundle fingerprint readers.

Product 2: 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).

Finish durability
Product 1: Level Lock+ Smart Lock
3.5

Aesthetics are a major strength, but finish and matching hardware are mixed: some praise the available finishes while others want more color options or matching strike plates for cohesive looks.

Product 2: eufy Video Smart Lock S330
No score yet
Geofencing
Product 1: Level Lock+ Smart Lock
3.6

Geofencing underpins auto-unlock and some touch behaviors, typically using a ~200-meter home boundary. It can work, but many reviewers note extra constraints and prefer Home Key for faster, less error-prone entry.

Product 2: eufy Video Smart Lock S330
No score yet
Guest Codes and Access
Product 1: Level Lock+ Smart Lock
4.0

Guest access options include app-based invites, shareable passes, NFC cards/fobs, and keypad PINs if you add the keypad. The main downside is friction when guests must install the Level app, unless you lean on keypad/cards instead.

Product 2: 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.

Hub requirement
Product 1: Level Lock+ Smart Lock
3.4

Hub/bridge needs are a recurring theme. Apple Home users get the cleanest remote experience with a Home hub, while non-Apple ecosystems often need Level Connect or other bridges and may still feel less complete until Thread/Matter support is fully active.

Product 2: 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.

Installation and Setup
Product 1: Level Lock+ Smart Lock
4.3

Most reviewers found installation quick with basic tools, but doors that are tight, have nonstandard cutouts, or mismatched strike plates sometimes required sanding, drilling, or careful alignment to avoid binding.

Product 2: 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.

Jam detection
Product 1: Level Lock+ Smart Lock
3.2

Jam detection/alerts appear when alignment is off or the strike-hole depth is shallow; reviewers who encountered it generally resolved the issue by adjusting the door/strike rather than blaming the motor itself.

Product 2: 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.

Key override reliability
Product 1: Level Lock+ Smart Lock
4.3

Physical keys remain a dependable fallback and are appreciated because the lock lacks external emergency power terminals. Reviewers report rarely needing the key, but value having it when batteries or connectivity fail.

Product 2: eufy Video Smart Lock S330
No score yet
Keypad
Product 1: Level Lock+ Smart Lock
3.7

There is no built-in keypad, which is a frequent tradeoff callout. An optional keypad accessory is viewed as useful and flexible to mount, but it adds cost and reduces the stealth aesthetic.

Product 2: 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.

Keyway quality
Product 1: Level Lock+ Smart Lock
3.0

The keyway/cylinder is widely described as a standard consumer-grade core, and several reviewers criticize it for lacking higher-security pins. Upgrading or rekeying to a stronger cylinder is a common recommendation if pick resistance matters.

Product 2: eufy Video Smart Lock S330
No score yet
Lock/unlock speed
Product 1: Level Lock+ Smart Lock
4.3

Home Key and NFC interactions are usually described as fast and near-instant, while app-based control can be slower—especially when routing through a hub for remote commands or when Bluetooth has to sync first.

Product 2: 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.

Locking motor
Product 1: Level Lock+ Smart Lock
4.0

The internal motorized chassis is praised for its clean, hidden design, but it is sensitive to resistance from door alignment. When the door throws smoothly it performs well; binding can trigger jams or slower operation.

Product 2: 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.

Locking reliability
Product 1: Level Lock+ Smart Lock
4.2

Overall reliability is strong once the door and strike are aligned, with Home Key working the vast majority of the time in multiple long-term accounts. The main reliability complaints revolve around Bluetooth/geo features and mechanical binding when the door is not fully closed.

Product 2: 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).

Notifications
Product 1: Level Lock+ Smart Lock
4.0

Notifications are commonly referenced through Apple Home (alerts when the lock is used) and through activity updates in the Level app, though detail and consistency vary depending on connectivity and which app you rely on.

Product 2: 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.

Physical attack resistance
Product 1: Level Lock+ Smart Lock
4.3

Against brute-force attacks, reviewers point to strong hardware ratings and argue the deadbolt strength is solid, with the door or frame likely failing before the bolt does in many scenarios.

Product 2: eufy Video Smart Lock S330
No score yet
Pick/drill resistance (if rated)
Product 1: Level Lock+ Smart Lock
2.5

Pick resistance is a consistent weak spot in the review set, with multiple references to quick picks or bump-style demonstrations using basic tools. Several reviewers recommend rekeying or upgrading the cylinder if this is a concern.

Product 2: eufy Video Smart Lock S330
No score yet
Remote access
Product 1: Level Lock+ Smart Lock
3.9

Remote access is reliable when paired with the right hub (Apple Home hub or a Wi-Fi bridge), but without one the lock is largely a local-control device. Several reviewers highlight this as the key deciding factor beyond aesthetics.

Product 2: 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.

Security features (encryption)
Product 1: Level Lock+ Smart Lock
4.2

Security-wise, encryption is described positively (including end-to-end encryption mentions), and Home Key offers choices like Express Mode vs requiring device authentication, letting users balance speed and protection.

Product 2: 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.

Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
Product 1: Level Lock+ Smart Lock
4.4

Smart-home integration is best in Apple Home/HomeKit, where Home Key is a standout differentiator. Alexa/Google/SmartThings support is more conditional (often bridge- or version-dependent), and Thread/Matter readiness is frequently discussed as a future-proofing promise.

Product 2: 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.

Touchscreen
Product 1: Level Lock+ Smart Lock
No score yet
Product 2: 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.

User access management
Product 1: Level Lock+ Smart Lock
4.2

Access management is a strong point, with clear admin vs guest roles, time windows, recurring schedules, and revocation. Reviewers especially like the flexibility for service providers, visitors, and short-term use cases.

Product 2: 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.

Value and Price
Product 1: Level Lock+ Smart Lock
3.4

Pricing is consistently called high (roughly $329-$349). Reviewers see the value proposition as strongest for buyers who prioritize an invisible design plus Home Key convenience, and weakest for those who want built-in keypad features or higher-security cylinders without extra cost.

Product 2: 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.

Voice control
Product 1: Level Lock+ Smart Lock
4.0

Voice control works well in Apple environments via Siri (often with confirmation) and can work with Alexa/Google depending on bridges and ecosystem choices. Several reviews caution that cross-ecosystem support is not equally mature.

Product 2: 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.

Weather resistance
Product 1: Level Lock+ Smart Lock
4.0

Weather and temperature considerations show up mainly as door-fit sensitivity (cold weather can change alignment) plus mentions of sealing details like an O-ring and broad operating temperature specs.

Product 2: 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.

Wi-Fi
Product 1: Level Lock+ Smart Lock
3.4

The lock does not include direct Wi-Fi, so remote control depends on a bridge or ecosystem hub. Reviews that used a Wi-Fi bridge generally liked the added reach, but complained about placement constraints and the one-bridge-per-lock reality in some setups.

Product 2: 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.