iPhone Screenshots


The electronic locking system Clex private maufactured by Uhlmann & Zacher can be easily managed with this application. Locking units with Bluetooth® module are required to use the app.

At the initial installation, the locking units (e.g. electronic cylinders, handles) are set up via a Bluetooth® Low Energy connection and can be named. In the next step, transponder keys (tags or cards) are registered and authorised through presenting them to the locking unit.
Names of key-owners can be saved within the app. Alternatively transponder keys can be identified and set up via „Near Field Communication“(NFC) directly at the smartphone (requires NFC compatible smartphone).
By this, authorizations can be granted or revoked even for individual keys that are not present when the administrator makes the changes to the locking unit. For all interactions between app and locking unit, a Clex private service key is required.

• Management of electronic locking units and electronic keys.
• Recommended for small locking systems with up to 10 doors and up to 100 key owners.
• Set up of keys when connected with the locking unit, or optional via NFC.
• Identification und management of transponder keys via NFC module of the Smartphones (optional)
• Blocking of individual keys at a locking unit without the necessity to anew set up of all other authorized keys
• Adding authorizations to keys that are not present if those were previously set up at the smartphone (optional via NFC)
• All personal data is only stored locally on the users phone.
• Read-out and display of existing authorizations of a locking unit
• Read-out and display of event logs of a locking unit.
• Service opening
• Battery exchange
• Disassembly

System requirements:
• Bluetooth® enabled Clex private locking units manufactured by Uhlmann & Zacher
• MIFARE® transponder keys
• Clex private service key

What’s New

Version 1.3.1

Bugfix backup and restore of the database.


Uhlmann & Zacher GmbH
38.4 MB

Requires iOS 13.4 or later. Compatible with iPhone, iPad, and iPod touch.


English, German

Age Rating


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

You May Also Like