G4S Nutivõti vs Smart MasterKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
G4S Nutivõti
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G4S Nutivõti is a solution that allows you to control the digital locks of various locations and items with a single app. It is a simple, secure and flexible solution for managing all necessary lock systems. It doesn't matter if it's your home, workplace, office, locker or bike, because all of them can be accessed securely and cost-effectively using the G4S Nutivõti app. Multiple users can be added into the app and thus you can control the employees' access to your business or different departments of it. We do not offer you another lock, we connect the smart locks you already use to our app, so all you need to opena and lock the doors is G4S Nutivõti.
Smart MasterKey
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Smart MasterKey (Previously BLE Locking) – Effortless Access Control at Your Fingertips Unlock and manage all your entrances with the power of secure digital keys. With Smart MasterKey, enjoy mobile access, remote control, and real-time monitoring, all in one simple yet powerful platform. Whether you’re managing large-scale infrastructure or your home, our intuitive design makes controlling doors, gates, garages, and more effortless. Your Smart MasterKey app enables to store all your access keys in one place. As door owner or admin you can also perform all the administrative tasks like access sharing, revoking, and monitoring to more complex tasks like multiple accesses. The only access management platform with payment option to create offer, charge rent and share access seamlessly. Download Smart MasterKey today and experience secure, hassle-free access. Visit Smart MasterKey for more information. Visit https://smartmasterkey.com for more information.
Screenshots
Verdict
The clearest difference is update cadence: Smart MasterKey at every 3 weeks against G4S Nutivõti's every 7 months. On price, ads, in-app purchases and device support 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.
G4S Nutivõti ships an update every 7 months, Smart MasterKey every 3 weeks. The most recent releases landed on October 12, 2026 and October 3, 2026 respectively.
| Parameter | G4S Nutivõti | Smart MasterKey |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 109 MB |
| Age rating | 4+ | 4+ |
| Developer | G4S EESTI AS | Smart Masterkey OU |
In-app purchases
G4S Nutivõti
No in-app purchases
Smart MasterKey
No in-app purchases









