# G4S Nutivõti vs Smart MasterKey

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.

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 20, 2026 respectively.

## The numbers

| Metric | G4S Nutivõti | Smart MasterKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 21 MB | 109 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [G4S EESTI AS](https://appshunter.io/developer/1521649813) | [Smart Masterkey OU](https://appshunter.io/developer/1548442774) |

## What reviewers say

### G4S Nutivõti

[App page](https://appshunter.io/ios/app/g4s-nutivoti/id1521649811)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Smart MasterKey

[App page](https://appshunter.io/ios/app/smart-masterkey/id1599720530)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is G4S Nutivõti free?

G4S Nutivõti is free to download, with no in-app purchases.

### Is Smart MasterKey free?

Smart MasterKey is free to download, with no in-app purchases.

### Do G4S Nutivõti or Smart MasterKey have ads?

Neither G4S Nutivõti nor Smart MasterKey shows ads.

### Which is updated more often, G4S Nutivõti or Smart MasterKey?

G4S Nutivõti ships an update every 7 months, and Smart MasterKey every 3 weeks. Most recently, G4S Nutivõti was updated on October 12, 2026 and Smart MasterKey on October 20, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*