# Key vs NORDCON

The clearest difference is update cadence: Key at every 4 months against NORDCON's every 8 months. NORDCON's advantage is iOS requirement (11.0 vs 17.0). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

Key ships an update every 4 months, NORDCON every 8 months. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Key | NORDCON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nordcon/id1376522738/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 8 months |
| Monetization | Free | Free |
| Size | 18 MB | 85 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Interflex Datensysteme GmbH](https://appshunter.io/developer/1150331434) | [NORD Drivesystems](https://appshunter.io/developer/1376522737) |

## What reviewers say

### Key

[App page](https://appshunter.io/ios/app/key/id1150331435)

Transform your iPhone into a mobile ID card for convenient door access. Securely register your credentials and use your phone to open doors, leveraging advanced encrypted transfer technology.

**Highlights:** Smartphone as mobile ID, Convenient door opening, Secure credential transfer, iPhone integration, Requires Interflex software

**In-app purchases:** none


### NORDCON

[App page](https://appshunter.io/ios/app/nordcon/id1376522738)

This tool allows for the monitoring, diagnosis, and parameterization of drives via Bluetooth. It features a customizable dashboard, oscilloscope function for analysis, and backup/recovery capabilities for drive parameters.

**Highlights:** Dashboard visualization, Drive monitoring and fault diagnosis, Parameterization with help function, Configurable oscilloscope function, Backup and recovery of drive parameters, Service request to NORD

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Key free?

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

### Is NORDCON free?

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

### Do Key or NORDCON have ads?

Neither Key nor NORDCON shows ads.

### Which is updated more often, Key or NORDCON?

Key ships an update every 4 months, and NORDCON every 8 months. Most recently, Key was updated on October 2, 2026 and NORDCON on October 1, 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.*