Comparison

Nuki Smart Lock vs Shelly Smart Control

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Nuki Smart Lock

Transform your smartphone into a secure digital key for your home. Grant and manage access for family and friends, and monitor who enters and when. Enjoy convenient features like automatic unlocking and locking, with easy DIY installation and smart home integration.

Highlights
  • Turn phone into a key
  • Share access permissions
  • Activity log
  • Auto Unlock/Lock
  • Night Mode
  • Smart Home integration
  • DIY installation
Features
Read full description

Turn your iPhone into a key – with Nuki Nuki: The retrofittable, smart door lock. Innovated in Austria – manufactured in Europe. APP REPLACES KEYS Turn your smart devices into keys. With the free Nuki app, you can open your door with your iPhone or your Apple Watch. Open the door with just one click, even remotely. SHARING KEYS Share access permissions with the Nuki app. Simple and secure. You decide who has access. With the activity log you always know who unlocked your door and when. SMART FEATURES Auto Unlock: Your door opens automatically when you come home. Auto Lock: Automatic locking, form maximum security. Night Mode: Activate various safety features during the night. Customize the night mode to your needs. SMART HOME INTEGRATIONS Easy and fast integration into your existing Smart Home. Thanks to Matter Nuki Smart Locks are compatible with most Smart Home systems. Matter ensures an easy and fast integration. EASY DIY INSTALLATION You can install the Nuki Smart Lock yourself within a few minutes. The Nuki app supports you with a step-by-step guide. See if Nuki is compatible with your door here: www.nuki.io/check SMART ACCESSOIRES The Nuki ecosystem offers you a variety of accessoires. Open fast via fingerprint or entry code with the Nuki Keypad 2 or simple and easy via button with the Nuki Fob. No smartphone needed. Get your Smart Lock now directly in our online shop: https://shop.nuki.io/ We’d love to hear from you. If you have questions about Nuki products please contact us at contact@nuki.io, or visit us on social media.

About

Shelly Smart Control

Remotely monitor and control smart home devices from anywhere, either through the cloud or your local network. Manage lights, appliances, and sensors, and create custom automation scenes. Supports Wi-Fi, Bluetooth, and LAN connectivity for seamless integration.

Highlights
  • Remote device control
  • Local network control
  • Device monitoring
  • Custom scheduling
  • Scene creation
  • Energy consumption monitoring
  • Real-time alerts
Features
Read full description

This app offers the possibility to control all Shelly devices remotely. You can monitor and control your devices from anywhere (by using the cloud option) or, if you do not want the Cloud option, you will still be able to monitor and control your devices from within your local network. Shelly devices do not need to be connected to the cloud or to send data there. The Shelly Home Automation portfolio includes a variety of relay switches, sensors, plugs, bulbs, and other controllers, all connected and controlled through your Wi-Fi network. The new Shelly Plus and Shelly Pro lines of products additionally support Bluetooth connectivity for faster device inclusion and communication, and the new Shelly Pro line offers LAN and Wi-Fi usage simultaneously. The entire Shelly portfolio is available at https://shelly.cloud/ Shelly devices are suitable to control lights, garage doors, curtains, window blinds, or other appliances, trigger actions based on certain parameters from sensor devices. Devices provide near real time notification on changes of the parameters they are measuring - energy consumption, temperature other environment values. All Shelly devices have: - Embedded Web server - Wi-Fi control and connectivity - APIs for observation and control A user account is required to access, include, and control Shelly devices through the application. Once Shelly account is registered, you can: - Connect the devices to an existing W-Fi network or use their Access Point mode locally to control other Shelly devices; - Include, manage, and operate as many Shelly devices as you need; - Configure devices and manage individual settings on every device; - Configure custom scheduling for automatic actions; - Create personalized rooms for more convenient organising and control of the devices; - Define custom Groups of devices to control multiple devices with one command within the app; - Build simple and complex scenes by combining Shelly devices to trigger certain actions in your home automation; - Monitor current and past electrical power consumption of the electrical circuit(s) and loads (for Shelly devices equipped with Power-measuring capabilities); - Build complex automation solutions for improved energy and operational efficiency; - Receive real time alerts and notifications based on your preference. Shelly devices are compatible with other widely used both local and cloud-based home automation platforms like Google Home or Alexa.

Screenshots

Nuki Smart Lock4 screens
Shelly Smart Control4 screens

Verdict

The call

The clearest difference is review sentiment: Nuki Smart Lock at 90% against Shelly Smart Control's 48%. Nuki Smart Lock also leads on rating (4.7 vs 3.1) and ratings volume (516 vs 89). Shelly Smart Control's advantage is device support (4 vs 2). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Nuki Smart Lock holds the better App Store score, 4.7 against 3.1. That said, the two scores are not equally well evidenced: Nuki Smart Lock has 516 ratings behind it against 89, so its average is the more settled of the two. Written reviews point the same way: 90% of Nuki Smart Lock's written reviews are positive against 48% of Shelly Smart Control's.

UpkeepUpdate frequency

Nuki Smart Lock ships an update every 3 weeks, Shelly Smart Control every 2 weeks. Both last shipped on October 29, 2026.

Scorecard4 real differences · 6 level
Nuki Smart Lock versus Shelly Smart Control: the parameters behind the verdict, then further details
ParameterNuki Smart LockShelly Smart Control
PriceFreeFree
Rating4.7 (516 ratings) — better3.1 (89 ratings)
Positive reviews90.2% of reviews — better47.6% of reviews
Number of ratings516 — better89
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS16.015.0 — better
Further details — not scored
Size298 MB258 MB
Age rating4+4+
DeveloperNuki Home Solutions GmbHSHELLY EUROPE EOOD

Customer experience

Nuki Smart Lock

All ratings514 ratings
Positive96.3%
Neutral2.3%
Negative1.4%
Written reviews928 reviews
Positive90.2%
Neutral3.4%
Negative6.4%

Shelly Smart Control

All ratings89 ratings
Positive50.6%
Neutral9.0%
Negative40.4%
Written reviews147 reviews
Positive47.6%
Neutral12.9%
Negative39.5%

Bugs and requests

Nuki Smart Lock

Reported bugs

3 issues
  • Unreliable geofencing
  • Inconsistent unlock/lock functionality
  • Buggy app updates

Requested features

4 requests
  • Improved battery status monitoring
  • Customizable auto-lock/unlock timers
  • Stronger HomeKit/Alexa integration
  • Ability to create/share access codes

Shelly Smart Control

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Nuki Smart Lock

No in-app purchases

None

Shelly Smart Control

No in-app purchases

Questions

Is Nuki Smart Lock free?
Nuki Smart Lock is free to download, with no in-app purchases.
Is Shelly Smart Control free?
Shelly Smart Control is free to download, with no in-app purchases.
Which has better reviews, Nuki Smart Lock or Shelly Smart Control?
Nuki Smart Lock is rated higher. Nuki Smart Lock averages 4.7 out of 5 from 516 ratings, while Shelly Smart Control averages 3.1 from 89 ratings.
Do Nuki Smart Lock or Shelly Smart Control have ads?
Neither Nuki Smart Lock nor Shelly Smart Control shows ads.
Which is updated more often, Nuki Smart Lock or Shelly Smart Control?
Nuki Smart Lock ships an update every 3 weeks, and Shelly Smart Control every 2 weeks. Most recently, Nuki Smart Lock was updated on October 29, 2026 and Shelly Smart Control on October 29, 2026.

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