Key vs myDOOR Dierre
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Key
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.
- Smartphone as mobile ID
- Convenient door opening
- Secure credential transfer
- iPhone integration
- Requires Interflex software
Read full descriptionHide full description
Your smartphone as a mobile ID card: With the Interflex app "Key", you can conveniently open doors with your iPhone. This is how "Key" works: - Install the app on your iPhone. - Register the app with your access data. - Book with your iPhone to open doors. Thanks to "NetworkOnMobile" technology, we ensure encrypted and secure transfer of the mobile credential to your iPhone. Important: The use of this app requires the use of the Interflex software IF-6040 and suitable badge readers.
myDOOR Dierre
Control your door lock remotely using Bluetooth Low Energy technology. Manage settings, grant access, and open or close your door with an intuitive smartphone interface.
- Remote door lock control
- Bluetooth LE connectivity
- Access management
- Guest profile management
- Key-Fob radio control
- Open and close door
Read full descriptionHide full description
With the myDOOR App you can control your door lock. Through the bluetooth low energy technology it is possible to connect to the lock to set the operating settings, manage accesses, Key-Fob radio controls and guest profiles and also open and close the door. This is an application designed to be simple and intuitive, using the dynamic button on the home of your lock it is easy to open or close the lock with a simple movement on the smartphone screen.
Screenshots
Verdict
The clearest difference is review sentiment: Key at 100% against myDOOR Dierre's 20%. myDOOR Dierre's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (12.0 vs 17.0). 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.
Key ships an update every 4 months, myDOOR Dierre every 2 months. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.
| Parameter | Key | myDOOR Dierre |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews — better | 20.0% of reviews |
| Update frequency | Every 4 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Interflex Datensysteme GmbH | Dierre Spa |
Customer experience
Key
myDOOR Dierre
In-app purchases
Key
No in-app purchases
myDOOR Dierre
No in-app purchases
