Average score
Product 1: Lockly Secure Plus Smart Lock
3.8
Product 2: eufy FamiLock S3 Max Smart...
4.2
Access logs
Product 1: Lockly Secure Plus Smart Lock
4.5

Reviews highlight detailed event history in the app, with lock/unlock entries tied to user and method; one reviewer notes being able to review long windows of history for shared spaces.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Reviewers consistently highlight the in-app Events timeline as a strong audit trail: it shows lock/unlock actions plus motion and doorbell events with thumbnails, making it easy to see what happened and when.

Alarm/siren loudness (if included)
Product 1: Lockly Secure Plus Smart Lock
No score yet
Product 2: eufy FamiLock S3 Max Smart...
4.1

The built-in speaker is generally described as clear and loud enough for doorbell sounds and two-way talk, with adjustable volume. However, it does not tie into a traditional wired chime; most setups rely on Alexa/Echo devices or a HomeBase for indoor chimes.

App
Product 1: Lockly Secure Plus Smart Lock
4.4

The Lockly app is generally described as clean and responsive for basic lock/unlock, logs, and settings, but some reviewers found PIN and guest workflows overly complicated compared with rivals.

Product 2: eufy FamiLock S3 Max Smart...
4.2

The Eufy app offers deep control (live view, event playback, access rules, power modes, and camera settings) and works reliably, but multiple reviews call it sprawling and time-consuming to learn because it manages many Eufy device categories.

Auto-lock
Product 1: Lockly Secure Plus Smart Lock
4.5

Auto-locking is widely praised and configurable (often cited in the 5–300 second range), helping the door re-secure itself without relying on habits.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Auto-lock is widely praised for flexibility: you can set short delays and schedules, and it generally waits for the door to be closed before engaging. A few notes suggest edge cases if the door is only slightly ajar, so tuning is worthwhile.

Auto-relock after failed attempts
Product 1: Lockly Secure Plus Smart Lock
4.3

A lockout style safeguard is described that disables keypad input after too many failed attempts, reducing brute-force code guessing.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Wrong-try protection is repeatedly mentioned as a useful safeguard, with configurable lockouts after a set number of failed palm scans or PIN attempts.

Battery
Product 1: Lockly Secure Plus Smart Lock
4.4

Battery life is described as strong on four AA cells, and the external 9V jump option reduces the risk of lockouts when batteries die.

Product 2: eufy FamiLock S3 Max Smart...
4.4

The dual-power design is a standout: a large rechargeable 15,000mAh pack plus AAA backup batteries. Reviews like the concept for avoiding lockouts during charging, but real-world endurance varies with video settings, and heavy surveillance use can drain the main battery much faster.

Bluetooth
Product 1: Lockly Secure Plus Smart Lock
4.2

Bluetooth performance is usually fast and stable for in-range control, though at least one review reports occasional trouble discovering the lock on some phones during setup.

Product 2: eufy FamiLock S3 Max Smart...
4.0

Bluetooth is present for connectivity and setup, but reviews focus more on Wi-Fi behavior than Bluetooth range or stability.

Build quality and durability
Product 1: Lockly Secure Plus Smart Lock
4.4

Multiple reviews describe the hardware as sturdy and premium, but also noticeably large and heavy compared with sleeker competitors.

Product 2: eufy FamiLock S3 Max Smart...
4.5

Build quality is frequently described as robust and premium, backed by Grade 1 durability/security claims. Multiple reviewers note the lock is physically large and heavy, reflecting the added camera and screen hardware.

Door-sense
Product 1: Lockly Secure Plus Smart Lock
3.3

A door sensor is mentioned as an optional add-on to report open/closed state, but it is not consistently tested across reviews.

Product 2: eufy FamiLock S3 Max Smart...
4.3

The lock’s door-sense behavior is commonly tied to its auto-lock feature, helping it avoid locking when the door is open. Some hands-on reviewers mention it can misinterpret a nearly closed door, so placement and calibration matter.

Door compatibility (deadbolt fit)
Product 1: Lockly Secure Plus Smart Lock
3.8

Most reviewers report compatibility with standard doors, but at least one install required extra door prep (strike/side bracket work) and the weight can make alignment more sensitive.

Product 2: eufy FamiLock S3 Max Smart...
3.7

Fit is generally standard for a deadbolt replacement, but the bulky exterior/interior escutcheons can be a visual and physical presence. Several reviews warn the interior screen is less useful on doors with glass, and screen or storm doors can obstruct the camera view or visitor interaction.

Fingerprint
Product 1: Lockly Secure Plus Smart Lock
4.7

The 3D fingerprint reader is repeatedly called fast and accurate; enrollment takes multiple scans but day-to-day unlocking is a standout convenience.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Biometric access is a core strength, implemented here as palm-vein recognition. Reviews generally find it fast and accurate once you learn the hand position, though a few note it can be sensitive to angle or may need a wake-up touch in some conditions to save battery.

Finish durability
Product 1: Lockly Secure Plus Smart Lock
4.6

One review cites strong finish coverage, including a lifetime warranty on exterior finishes, supporting long-term cosmetic durability expectations.

Product 2: eufy FamiLock S3 Max Smart...
4.3

A few reviewers note the exterior materials do a decent job resisting obvious smudges and fingerprints, helping the keypad area stay cleaner looking over time.

Guest Codes and Access
Product 1: Lockly Secure Plus Smart Lock
4.2

Access sharing is a strength: reviews mention temporary, scheduled, one-time, offline codes, and app-based sharing options; however, some find the onboarding and messaging flow confusing for casual guests.

Product 2: eufy FamiLock S3 Max Smart...
4.5

Guest access is strong on paper and in testing, with support for many PINs, scheduled codes, and multiple palm enrollments, making it suitable for families and frequent visitors.

Hub requirement
Product 1: Lockly Secure Plus Smart Lock
2.4

Out of the box the lock is Bluetooth-first, and multiple reviews note that a separate Wi-Fi hub is needed for remote control and voice assistants.

Product 2: eufy FamiLock S3 Max Smart...
4.0

A hub is not required for basic operation and remote control over Wi-Fi, but a HomeBase is repeatedly positioned as the path to expanded storage and smarter alerts (such as facial recognition) and can also act as an indoor chime. There are also reports that certain smart-home pairing flows work best when the lock is on Wi-Fi rather than routed through a hub.

Installation and Setup
Product 1: Lockly Secure Plus Smart Lock
3.8

Installation experiences vary from quick (around 15 minutes) to frustrating; the app guidance helps, but the heavy hardware and documentation can make assembly and alignment harder than average.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Installation is usually described as straightforward (often around 15–20 minutes) with app-based video guidance, though it involves extra wiring compared to simpler locks. A few reviewers experienced early firmware/setup hiccups or needed recalibration after install.

Jam detection
Product 1: Lockly Secure Plus Smart Lock
No score yet
Product 2: eufy FamiLock S3 Max Smart...
3.8

A few reviewers mention calibration and initial false jam/stuck behavior during setup; once calibrated, operation is typically stable.

Key override reliability
Product 1: Lockly Secure Plus Smart Lock
4.3

Backup entry options are well covered, with a traditional key cylinder and an exterior 9V jump-power method noted for dead batteries.

Product 2: eufy FamiLock S3 Max Smart...
4.1

The hidden keyway under the doorbell button and the availability of an emergency USB-C power option are valued for backup entry. One reviewer noted the doorbell-button cover can be fiddly to reseat, but overall the mechanical override is seen as an important safety net.

Keypad
Product 1: Lockly Secure Plus Smart Lock
4.5

The PIN Genie keypad that shuffles digit positions is consistently praised for improving code privacy, though a reviewer notes it can feel disorienting for people who remember codes by shape.

Product 2: eufy FamiLock S3 Max Smart...
4.4

The keypad is widely viewed as responsive and easy to use, supporting many PINs and guest access patterns. Features like one-touch locking and optional scramble passcodes show up repeatedly as practical day-to-day conveniences.

Keyway quality
Product 1: Lockly Secure Plus Smart Lock
No score yet
Product 2: eufy FamiLock S3 Max Smart...
3.7

The keyway is cleverly concealed for aesthetics, though at least one review suggests the cover mechanism can be a bit finicky.

Lock/unlock speed
Product 1: Lockly Secure Plus Smart Lock
4.5

Lock/unlock actions are commonly described as quick, including near-instant app commands within Bluetooth range and a few-second mechanical cycle.

Product 2: eufy FamiLock S3 Max Smart...
4.5

Unlocking speed is a recurring strength, especially with palm access and remote commands, with many reviewers describing near-instant actuation once the lock is properly calibrated.

Locking motor
Product 1: Lockly Secure Plus Smart Lock
4.6

Motor operation is described as relatively quiet compared with typical smart deadbolts.

Product 2: eufy FamiLock S3 Max Smart...
4.5

Multiple reviews call out the interior controls that can drive the deadbolt motor (in addition to a manual thumbturn), which can be helpful for users who prefer a push-button action.

Locking reliability
Product 1: Lockly Secure Plus Smart Lock
3.7

Most reviews describe solid day-to-day operation, but one outlet reports calibration/status mismatches that made locked vs unlocked reporting unreliable in their testing.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Locking and unlocking are generally reported as reliable, with stable connectivity and consistent response to palm scans, PINs, and app commands once the device is installed and calibrated.

Notifications
Product 1: Lockly Secure Plus Smart Lock
1.5

Push notifications are specifically called out as missing versus competing smart locks.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Notifications are typically fast and useful, with human-focused motion alerts and quick access to live view or buffered clips. Some advanced alert types are described as dependent on adding a HomeBase.

Physical attack resistance
Product 1: Lockly Secure Plus Smart Lock
No score yet
Product 2: eufy FamiLock S3 Max Smart...
4.6

Physical security is positioned as a major selling point, with repeated references to Grade 1 certification and a solid, heavy build intended to withstand force and long-term use.

Pick/drill resistance (if rated)
Product 1: Lockly Secure Plus Smart Lock
No score yet
Product 2: eufy FamiLock S3 Max Smart...
4.1

Several reviewers reference anti-pick or encrypted-cylinder claims, but detailed independent pick/drill ratings are not commonly provided in the reviews; expectations are high given the Grade 1 positioning, but specifics are limited.

Remote access
Product 1: Lockly Secure Plus Smart Lock
2.5

Remote locking/unlocking is not available without the optional Wi-Fi hub; with the hub, reviews describe convenient anywhere access through the app.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Remote access is a strength thanks to built-in Wi-Fi and the Eufy app, typically without needing a separate bridge. Some apps require a press-and-hold action for lock/unlock to prevent accidental triggers.

Security features (encryption)
Product 1: Lockly Secure Plus Smart Lock
4.6

Security is a core theme: reviewers cite AES256/BLE security claims, the PIN-shuffling keypad, biometric anti-spoofing, lockout behavior, and privacy mode style controls.

Product 2: eufy FamiLock S3 Max Smart...
4.4

Security features mentioned across reviews include local video storage, scramble passcodes, configurable lockout after failed attempts, and encrypted communications. Privacy and local data storage are frequently framed as benefits versus subscription-first competitors.

Smart-home integration (Alexa, Google, Siri, HomeKit, Matter, Thread)
Product 1: Lockly Secure Plus Smart Lock
2.1

Smart-home integration is limited without accessories; Alexa and Google support is tied to the Wi-Fi hub, while HomeKit, Matter, Thread, and IFTTT-style automation are repeatedly noted as absent or limited.

Product 2: eufy FamiLock S3 Max Smart...
3.9

Matter support and voice assistant compatibility are consistently described as real but limited: third-party platforms generally expose basic lock controls, while camera, doorbell, and palm features remain primarily inside the Eufy ecosystem.

Tamper detection sensitivity
Product 1: Lockly Secure Plus Smart Lock
No score yet
Product 2: eufy FamiLock S3 Max Smart...
4.3

Tamper and suspicious-activity protections show up via mentions of tamper alarms, loitering alerts, and wrong-try lockouts. Sensitivity and alert volume can usually be tuned in the app.

Touchscreen
Product 1: Lockly Secure Plus Smart Lock
4.5

The touchscreen is generally responsive and easy to read, but its glossy surface can show fingerprints; its main value is supporting the dynamic PIN layout.

Product 2: eufy FamiLock S3 Max Smart...
4.4

The touch interface and capacitive keypad lighting are repeatedly praised for responsiveness and visibility, making PIN entry and one-touch actions easy at the door.

Two-factor authentication availability
Product 1: Lockly Secure Plus Smart Lock
4.0

At least one review describes multi-step account or device activation verification (codes via SMS and email), indicating stronger account protection than many simple Bluetooth locks.

Product 2: eufy FamiLock S3 Max Smart...
No score yet
User access management
Product 1: Lockly Secure Plus Smart Lock
4.2

User and guest management is feature-rich, offering multiple access types and schedules, but the depth can feel like overkill and harder to administer for short-term visitors.

Product 2: eufy FamiLock S3 Max Smart...
4.6

User management is a highlight: per-person profiles, scheduled or one-time access, and tying palm scans to users are repeatedly described as well implemented.

Value and Price
Product 1: Lockly Secure Plus Smart Lock
2.7

Value is the most common knock: reviewers call it expensive for a Bluetooth-first lock, especially once the Wi-Fi hub accessory is added.

Product 2: eufy FamiLock S3 Max Smart...
3.3

Price is the biggest recurring downside: most reviews call it expensive, though many also concede it can replace a separate smart lock and doorbell. Value improves most for users who genuinely want the integrated screen and consolidated hardware.

Voice control
Product 1: Lockly Secure Plus Smart Lock
2.4

Voice control is not native; Alexa and Google voice commands are described as available only when paired with the Wi-Fi hub.

Product 2: eufy FamiLock S3 Max Smart...
4.2

Voice control is generally reported as responsive for basic locking and unlocking through Alexa, Google, and Siri, and some reviewers mention the ability to view the camera feed on compatible smart displays.

Warranty and support
Product 1: Lockly Secure Plus Smart Lock
4.6

Warranty coverage is described as strong (including finish and electronics coverage), but reviewers also flag usability and setup complexity as an area needing improvement.

Product 2: eufy FamiLock S3 Max Smart...
4.0

Warranty details are mentioned as longer on the mechanical side than electronics, though hands-on support experiences are not deeply covered in the reviews.

Weather resistance
Product 1: Lockly Secure Plus Smart Lock
4.5

One review explicitly praises weather toughness across extreme temperatures, suggesting good outdoor suitability when installed correctly.

Product 2: eufy FamiLock S3 Max Smart...
4.6

Weather resistance is reinforced by repeated references to an IP65 rating and outdoor placement suitability, though extreme conditions and long-term finish wear are not heavily tested across reviews.

Wi-Fi
Product 1: Lockly Secure Plus Smart Lock
2.3

There is no built-in Wi-Fi in the base lock; Wi-Fi connectivity is achieved through an add-on hub or bundled variant, which affects total cost and complexity.

Product 2: eufy FamiLock S3 Max Smart...
4.3

Wi-Fi connectivity is typically stable, but multiple sources note the lock operates on 2.4GHz networks. Some marketing and reviewer notes cite Wi-Fi 6, yet practical guidance still centers on 2.4GHz setup and the lack of 5GHz support.