Nuki Smart Lock vs DiO one
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Turn phone into a key
- Share access permissions
- Activity log
- Auto Unlock/Lock
- Night Mode
- Smart Home integration
- DIY installation
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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.
DiO one
Control your smart home devices remotely with this app. Turn lights and appliances on or off, automate schedules, and simulate presence for security. Optimize energy usage and manage your connected home from anywhere.
- Remote control of connected devices
- Presence simulation
- Scheduling and automation
- Energy saving optimization
- Control from anywhere
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Découvrez la maison connectée selon DiO comprenant l’appli gratuite pour contrôler vos appareils électriques branchés sur une prise DiO Connect et autres appareils DiO Connect. APPAREILS - Allumez ou éteigne vos lampes ou électroménagers branchés sur une prise DiO Connect depuis le bureau ou l’autre bout du monde. - Créez une simulation de présence aléatoire durant vos vacances ou absences prolongées - Programmez et automatisez vos appareils à vos horaires. Par exemple, éteignez tous vos appareils et luminaires automatiquement lorsque vous quittez votre habitation. - Faites des économie d’énergie en optimisant l’usage de vos appareils. Découvrez notre gamme complète DiO Connect sur notre site chacon.com
Screenshots
Verdict
The clearest difference is rating: Nuki Smart Lock at 4.7 against DiO one's 4.0. Nuki Smart Lock also leads on review sentiment (90% vs 61%) and ratings volume (510 vs 21). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Nuki Smart Lock holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Nuki Smart Lock has 510 ratings behind it against 21, 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 61% of DiO one's.
Nuki Smart Lock ships an update every 3 weeks, DiO one every 2 months. The most recent releases landed on September 24, 2026 and July 31, 2026 respectively.
| Parameter | Nuki Smart Lock | DiO one |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (510 ratings) — better | 4.0 (21 ratings) |
| Positive reviews | 90.3% of reviews — better | 61.2% of reviews |
| Number of ratings | 510 — better | 21 |
| Update frequency | Every 3 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 323 MB | 208 MB |
| Age rating | 4+ | 4+ |
| Developer | Nuki Home Solutions GmbH | Chacon |
Customer experience
Nuki Smart Lock
DiO one
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
DiO one
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Nuki Smart Lock
No in-app purchases
DiO one
No in-app purchases
