Compare Tapo Smart Door Lock DL110 vs eufy FamiLock S3 Max Smart Lock

P1 Tapo Smart Door Lock DL110
P2 eufy FamiLock S3 Max Smart Lock

Comparison Takeaways

Tapo Smart Door Lock DL110

Where It Has the Edge

  • Value and Price is 4.7 vs 3.3. Value is a dominant theme: reviewers repeatedly frame the DL110 as delivering premium-feeling features (fast fingerprint, Wi-Fi remote...
  • Keyway quality is 4.6 vs 3.7. One locksmith-focused review notes a Schlage-style SC1 keyway, with the practical upside that it can be pinned/rekeyed to...
  • Hub requirement is 4.6 vs 4.0. No mandatory hub is emphasized across reviews; optional accessories (like chimes or hubs) are discussed for convenience rather...
  • Door compatibility (deadbolt fit) is 4.3 vs 3.7. Door fit is generally described as a standard deadbolt swap with included templates/hardware and support for common door...

eufy FamiLock S3 Max Smart Lock

Where It Has the Edge

  • Touchscreen is 4.4 vs 3.6. The touch interface and capacitive keypad lighting are repeatedly praised for responsiveness and visibility, making PIN entry and...
  • Security features (encryption) is rated 4.4 while the other product has no score yet. Security features mentioned across reviews include local video storage, scramble passcodes, configurable lockout after failed attempts, and encrypted...
  • Door-sense is rated 4.3 while the other product has no score yet. The lock’s door-sense behavior is commonly tied to its auto-lock feature, helping it avoid locking when the door...
  • Pick/drill resistance (if rated) is rated 4.1 while the other product has no score yet. Several reviewers reference anti-pick or encrypted-cylinder claims, but detailed independent pick/drill ratings are not commonly provided in the...
Average score
Product 1: Tapo Smart Door Lock DL110
4.3
Product 2: eufy FamiLock S3 Max Smart...
4.2
Access logs
Product 1: Tapo Smart Door Lock DL110
4.5

Activity/event logs are a consistent strength: reviewers show time-stamped records for lock/unlock events (often tied to a specific user/fingerprint or PIN) and even doorbell presses, making it easy to confirm who accessed the door and when.

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: Tapo Smart Door Lock DL110
4.0

Audio output is described mainly through the built-in doorbell and alarms: volume is adjustable in-app and generally reported as loud enough, but there is little objective measurement of siren output.

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: Tapo Smart Door Lock DL110
4.5

The Tapo app is widely praised for guided setup, a clean layout, and quick access to codes, schedules, logs, and settings like scramble PIN, lockout, notifications, and auto-lock scheduling.

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: Tapo Smart Door Lock DL110
4.4

Auto-lock is highly configurable (often described from ~15 seconds to 15 minutes) and can be scheduled on some setups; however, one expert review warns that misalignment can cause auto-lock to retry repeatedly or behave erratically until strike alignment is corrected. Auto-unlock is mentioned as an optional proximity-style unlock via Bluetooth in at least one review, with reviewers flagging it as convenient but something to weigh against personal security comfort.

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: Tapo Smart Door Lock DL110
4.3

Wrong-try protection is repeatedly demonstrated via an unlock attempt limiter/lockout with adjustable lockout duration, helping deter PIN guessing attempts.

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: Tapo Smart Door Lock DL110
4.6

Battery performance is a standout: the removable ~10,000mAh rechargeable pack is frequently described as capable of around a year of use, and several reviewers report very slow drain early on. A noted tradeoff is that the lock can be offline while the pack is removed for charging unless temporarily powered.

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: Tapo Smart Door Lock DL110
4.2

Bluetooth is described as both a local control method and a fallback when Wi-Fi drops, with multiple reviews calling the connection quick and practical for local use.

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: Tapo Smart Door Lock DL110
4.5

Build quality is repeatedly described as sturdy and premium-feeling for the price, including mentions of metal construction and overall solidity in daily handling.

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: Tapo Smart Door Lock DL110
No score yet
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: Tapo Smart Door Lock DL110
4.3

Door fit is generally described as a standard deadbolt swap with included templates/hardware and support for common door thicknesses (with some mention of thicker-door hardware), but multiple reviewers recommend checking door measurements/compatibility before buying.

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: Tapo Smart Door Lock DL110
4.5

Fingerprint performance is consistently framed as one of the best at the price: near-instant unlock (often around 0.42 seconds), high accuracy, and strong day-to-day reliability, with occasional second-try success when a read fails.

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: Tapo Smart Door Lock DL110
4.4

Finish impressions are generally positive (matte look that resists visible fingerprints/smudges). Long-term scratch/wear durability is not deeply tested in these reviews.

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.

Geofencing
Product 1: Tapo Smart Door Lock DL110
2.0

True location-based geofencing is not clearly established for the DL110 in these reviews; one related Tapo lock review explicitly notes a lack of geofencing, while DL110 coverage focuses more on Bluetooth proximity behaviors than map-based geofences.

Product 2: eufy FamiLock S3 Max Smart...
No score yet
Guest Codes and Access
Product 1: Tapo Smart Door Lock DL110
4.5

Guest access is a strong point: reviewers demonstrate one-time codes, scheduled/time-window codes, and the ability to create multiple PINs for different people and scenarios.

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: Tapo Smart Door Lock DL110
4.6

No mandatory hub is emphasized across reviews; optional accessories (like chimes or hubs) are discussed for convenience rather than basic functionality.

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: Tapo Smart Door Lock DL110
4.4

Installation is usually described as a fast DIY swap (often 5–20 minutes) with strong app/manual guidance. A key caveat appears in one expert review: the DL110 can be more sensitive to strike plate alignment than many locks, requiring adjustment for best performance.

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: Tapo Smart Door Lock DL110
3.9

Door jam detection/alarming is referenced in app settings and demos, and reviewers show notifications/alarms when jamming is detected. Real-world behavior under misalignment can include repeated retry cycles.

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: Tapo Smart Door Lock DL110
4.5

Backup entry is a recurring highlight: a concealed keyway behind the doorbell button plus an external USB-C emergency power option reduces lockout risk if the battery is depleted.

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: Tapo Smart Door Lock DL110
4.3

Keypad entry is described as responsive and feature-rich, including scramble/decoy digits and other anti-observation options. Some users note an extra step to wake the keypad before entry depending on settings/model behavior.

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: Tapo Smart Door Lock DL110
4.6

One locksmith-focused review notes a Schlage-style SC1 keyway, with the practical upside that it can be pinned/rekeyed to match existing keys if desired.

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: Tapo Smart Door Lock DL110
4.7

Unlock speed is frequently called out as excellent, especially via fingerprint, with multiple reviewers describing it as nearly instantaneous in real use.

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: Tapo Smart Door Lock DL110
4.3

Motor behavior is often described as quieter and more refined than many budget locks. One expert review notes the motor may retry repeatedly when the bolt meets resistance (often tied to alignment/calibration).

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: Tapo Smart Door Lock DL110
4.3

Overall locking reliability is reported as strong across weeks of use, but several reviews stress that proper strike/bolt alignment matters; misalignment can cause retries or auto-lock quirks until adjusted.

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: Tapo Smart Door Lock DL110
4.5

Notifications are repeatedly described as fast and dependable for lock/unlock events, alarms, and doorbell presses, with settings to tune what you receive.

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: Tapo Smart Door Lock DL110
4.5

Physical attack resistance is supported in reviews by BHMA/ANSI Grade 2 references and repeated claims of stronger resistance to force/wear than typical budget Grade 3 locks.

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: Tapo Smart Door Lock DL110
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: Tapo Smart Door Lock DL110
4.2

Remote access is a core capability (lock/unlock from the app over Wi-Fi) and is generally shown working quickly; one related model review mentions occasional multi-second delay, but DL110-focused demos typically show responsive remote control.

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: Tapo Smart Door Lock DL110
No score yet
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: Tapo Smart Door Lock DL110
4.1

Smart-home integration coverage centers on Alexa, Google Assistant/Google Home, and SmartThings/SmartThings-style ecosystems. Reviews do not clearly confirm HomeKit, Thread, or Matter support, so buyers wanting those should verify before purchase.

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: Tapo Smart Door Lock DL110
4.2

Tamper detection is described as present with alarms and instant alerts for suspicious activity. Sensitivity is not quantified, but reviewers present it as a meaningful extra security layer.

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: Tapo Smart Door Lock DL110
3.6

The front interface is generally a touch-to-wake experience; at least one reviewer wishes it had a motion/wake sensor so it would light up automatically without needing an initial touch.

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.

User access management
Product 1: Tapo Smart Door Lock DL110
4.6

User access management is robust in reviews, including named users/profiles, per-user fingerprints/PINs, scheduling rules, and straightforward removal or modification in the app.

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: Tapo Smart Door Lock DL110
4.7

Value is a dominant theme: reviewers repeatedly frame the DL110 as delivering premium-feeling features (fast fingerprint, Wi-Fi remote access, logs, alerts, doorbell) at a far lower price than many competing locks.

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: Tapo Smart Door Lock DL110
4.1

Voice control is commonly shown with Alexa/Google (and sometimes SmartThings), typically requiring a voice PIN/code for unlocking, which improves security but adds a step. Some users note occasional need to repeat a command depending on the assistant.

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: Tapo Smart Door Lock DL110
No score yet
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: Tapo Smart Door Lock DL110
4.5

Weather resistance is highlighted often, including IP65 references and weatherproofing elements (like gaskets/rubber backing), with reviewers expressing confidence for typical exterior exposure.

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: Tapo Smart Door Lock DL110
4.2

Wi-Fi remote control is consistently supported in demos and written reviews; some reviewers highlight power-saving options (such as scheduling Wi-Fi off at night) to reduce battery impact while keeping core remote features available when needed.

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.