Clex Key vs DOM Service
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Clex Key
This app allows you to open and close electronic locking units using your smartphone via Bluetooth Low Energy. It ensures high security through a two-part invitation confirmation process. The updated version offers more efficient communication, stable performance, and an improved user interface.
- Unlock doors via Bluetooth
- Receive mobile keys
- Efficient communication with locking units
- Improved user guidance
- High security standards
- Execute block requests
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Welcome to the new Clex Key App 2! Uhlmann & Zacher presents the Clex Key App, which has been developed from scratch. More efficient communication to the locking units, more stable overall behavior and easy-to-use UI as well as better user guidance for invitation / authorization by the administrator characterize the new Clex Key App. With the Clex Key App, the electronic locking units of Uhlmann & Zacher can be opened and closed using the smartphone. In the process, the smartphone communicates with the locking units via Bluetooth® Low Energy. High security standards To ensure the necessary security, you will receive an invitation to set up your Clex Key app from the operator of the locking system by e-mail and also a short message on your phone. Only after confirming both parts of the invitation, your key can be used to open the locking units using your smartphone Functions: - Receive mobile keys and unlock doors via Bluetooth® - Execute block requests for the administrator
DOM Service
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Synchronization and firmware update app for data exchange by Bluetooth® between DOM Controller (DOMConnect), ENiQ AccessManagement and DOM offline locking devices. Smart solution for adding new devices, programming of changed access rights or configuration data, update of date and time, reading out system or user events and updating device firmware.
Screenshots
Verdict
Clex Key and DOM Service are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.
| Parameter | Clex Key | DOM Service |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Uhlmann & Zacher GmbH | DOM Sicherheitstechnik GmbH & Co. KG |
In-app purchases
Clex Key
No in-app purchases
DOM Service
No in-app purchases









