Eufy vs Nuki Smart Alarm
Choosing between a Eufy and Nuki smart alarm system depends on your priorities for local storage, smart lock integration, and professional monitoring. We break down the key differences to help you decide.
Quick answer
Eufy wins for homeowners wanting a self-contained, no-subscription alarm with local video storage and easy DIY installation. Nuki is better for renters or those who prioritise a premium smart lock ecosystem and want professional monitoring options through their existing alarm infrastructure.
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Research updated June 2026.
| Feature | Eufy Security (HomeBase) | Nuki Smart Lock + Alarm |
|---|---|---|
| Hub Required | Yes (HomeBase 2 or 3) | Yes (Nuki Bridge or Matter hub) |
| Local Storage | Yes (16GB on HomeBase) | No (cloud only for alarm events) |
| Professional Monitoring | No (self-monitored only) | Yes (via third-party alarm panels) |
| Smart Lock Integration | Limited (works with some locks) | Native (Nuki Smart Lock is core) |
| Battery Life (Sensors) | Up to 2 years | Up to 2 years |
| Video Doorbell Support | Native (Eufy Video Doorbell) | No native video |
| Installation | DIY (stick-on sensors) | DIY (lock replaces existing cylinder) |
| Subscription Required | No | No (for basic alarm features) |
| Rating (Aggregated) | 4.4 / 5 | 4.3 / 5 |
Eufy Security Overview
Eufy's smart alarm system is built around the HomeBase hub, which connects wire-free sensors, motion detectors, and video doorbells. The key selling point is local storage: all video recordings from Eufy cameras are stored on the HomeBase's internal memory, eliminating monthly cloud fees. Owner reviews on retailer sites highlight the ease of setup and reliable sensor range, though some note that the siren could be louder. The system is self-monitored only, meaning you rely on push notifications rather than a central station.
Nuki Smart Lock + Alarm Overview
Nuki is primarily known for its smart locks, which replace your existing deadbolt cylinder for keyless entry. The alarm functionality is an add-on: you can pair Nuki's Smart Lock with their Keypad, Bridge, and third-party alarm sensors (like the Nuki Alarm Panel). This creates a cohesive ecosystem where locking the door automatically arms the alarm. Aggregated reviews praise the lock's build quality and Matter compatibility, but the alarm side is less mature than dedicated systems. Professional monitoring is possible through integrations with alarm companies.
Key Differences
The core difference lies in focus. Eufy is a complete, all-in-one security system with video as a central feature. Nuki starts with access control and adds alarm features as an extension. For most users, Eufy offers better value for a full home security setup, while Nuki excels if you want a premium smart lock that also handles basic intrusion detection.
What to Check Before Buying
Subscription costs: Eufy requires no subscription for local recording. Nuki's alarm features are free, but cloud video storage (if you add cameras) costs extra. Smart lock compatibility: Nuki works with most European cylinders but may not fit US deadbolts. Eufy's lock is more limited. Professional monitoring: If you want a monitored response, Nuki's integrations are better. Eufy has no option. Ecosystem lock-in: Eufy devices only work with Eufy. Nuki supports Matter and works with Apple Home, Google Home, and Alexa.
Mistakes to Avoid
Do not buy Eufy if you need professional monitoring for insurance discounts. Do not buy Nuki if you want a video doorbell that records locally without a subscription. Avoid assuming all sensors are included: both brands sell starter kits, but you may need extra entry sensors for windows. Do not ignore the hub requirement: both systems need a powered hub to function.
Eufy Security HomeBase 3 Kit
Best for homeowners wanting a no-subscription alarm with local video storage.
| Category | Winner | Why |
|---|---|---|
| Local Storage | Eufy | 16GB on hub, no cloud fees |
| Smart Lock | Nuki | Premium build, Matter support |
| Video Integration | Eufy | Native doorbell and camera support |
| Professional Monitoring | Nuki | Third-party alarm panel integration |
| DIY Installation | Eufy | Stick-on sensors, no wiring |
| Ecosystem | Nuki | Matter, Apple Home, Google, Alexa |
| Battery Life | Tie | Both 2 years for sensors |
| Price Value | Eufy | Lower entry cost, no subscription |
Which System Is More Secure?
Security depends on your threat model. Eufy provides better perimeter detection with its motion sensors and video doorbells, all stored locally. Nuki offers stronger access control: the smart lock uses encrypted communication and has a physical key override. For burglary prevention, Eufy's camera alerts are more proactive. For lock picking or unauthorised entry, Nuki is superior. Both systems have faced firmware updates to address vulnerabilities, but neither has had a major breach reported in aggregated reviews.
Ecosystem and Smart Home Integration
Nuki wins on compatibility. It works with Apple Home, Google Home, Alexa, and Matter, meaning you can trigger alarms from a smart speaker or include the lock in routines. Eufy is more closed: it works with Alexa and Google Home for basic arm/disarm, but does not support Matter. If you have a mixed smart home, Nuki fits better. If you want a standalone system that does not rely on internet connectivity, Eufy's local processing is a strength.
Installation and Setup
Eufy is simpler: peel and stick sensors, plug in the HomeBase, and pair via the app. Most owners report full setup in under 30 minutes. Nuki requires replacing your existing door lock cylinder, which can take 15-45 minutes depending on your door. The Nuki app guides you through calibration. Both have clear instructions, but Eufy is more renter-friendly as it leaves no permanent hardware on the door.
Ongoing Costs
Eufy has zero ongoing costs if you rely on local storage and push notifications. Nuki also has no subscription for basic alarm and lock features, but cloud video storage for cameras costs extra. Neither system forces a subscription, which is a major advantage over Ring or SimpliSafe. However, if you want professional monitoring, Nuki's third-party integrations will add a monthly fee.
FAQs
Can Eufy and Nuki work together?
Not natively. You would need a third-party hub like Home Assistant to bridge them, but it is not a seamless integration.
Does Eufy have professional monitoring?
No, Eufy is self-monitored only. You receive push alerts but no central station response.
Does Nuki require a subscription for the alarm?
No, basic alarm features and lock control are free. Cloud video storage for cameras costs extra.
Which system is better for renters?
Eufy is better because the sensors are stick-on and leave no damage. Nuki requires replacing the lock cylinder.
Can I use Nuki with an existing alarm system?
Yes, Nuki integrates with third-party alarm panels from brands like Ajax and Abode for professional monitoring.
Does Eufy support Matter?
No, Eufy does not support Matter. It works with Alexa and Google Home for basic commands.
How long do the batteries last in sensors?
Both Eufy and Nuki sensors last up to 2 years on standard CR123A batteries.
Can I add cameras to Nuki?
Nuki does not make cameras. You would need separate devices, which may not integrate with the alarm.
Which system has a louder siren?
Eufy's HomeBase has a 90dB siren. Nuki's alarm panel is similar at 85-90dB. Both are loud enough for most homes.
Is Eufy or Nuki better for insurance?
Nuki is better if your insurer requires professional monitoring. Eufy may not qualify for discounts.
Our verdict
Choose Eufy if you want a complete, no-subscription security system with local video storage and easy DIY setup. Choose Nuki if you prioritise a premium smart lock ecosystem, Matter compatibility, and the option for professional monitoring. For most homeowners, Eufy offers better overall value and security coverage.