Clex Key vs BALTECH Mobile ID
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
BALTECH Mobile ID
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Use your smartphone as an alternative to a physical ID card to open doors or use similar card-reading applications (e.g., time & attendance, print management, or login). ADVANTAGES FOR APP USERS • INTUITIVE: Present the phone to a reader - no need to unlock it. • EASY SETUP: Just scan the QR code in your invitation e-mail. • FLEXIBLE: The app also works when the phone is offline. ADVANTAGES FOR ADMINS EASY SETUP • Activate Mobile ID on the reader via its configuration. • No need to change any settings in your access control system. • User data can be automatically imported and synchronized from the access control system into the Mobile ID Manager admin application. FLEXIBLE • Compatible with any access control system • If needed, you can make card and phone use distinguishable. • Also usable with other card reading applications e.g. time and attendance, print management, or login. • Also usable for projects with self-service registration (IDs for the apps are assigned automatically, so you don’t need to enter user data in Mobile ID Manager). • Hosting in the cloud or on-premises SECURE • AES-128-encrypted BLE connection protects against replay or brute-force attacks performed to gain unauthorized access. • The admin application Mobile ID Manager signs each ID before issuing it to an app, so the ID can’t be manipulated on the user’s phone. • To prevent user tracking, the app will reveal its ID only to authorized readers. FREE OF CHARGE • No fees are charged for either the app or the admin application. TECHNICAL REQUIREMENTS BALTECH readers with Bluetooth® Low Energy (BLE) support, e.g. 10097-6xx, 10119-8xx, 1x115-6xx, or 1x117-8xx LEARN MORE For more information and our full datasheet, please visit https://www.baltech.de/mobile-id/?lang=en. CONTACT & SUPPORT Any questions? We’re happy to help. Contact us at support@baltech.de or +49 811-99881-0.
Screenshots
Verdict
Clex Key and BALTECH Mobile ID 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.
Clex Key ships an update every 2 months, BALTECH Mobile ID every 3 months. The most recent releases landed on September 21, 2026 and August 13, 2026 respectively.
| Parameter | Clex Key | BALTECH Mobile ID |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Uhlmann & Zacher GmbH | Baltech AG |
In-app purchases
Clex Key
No in-app purchases
BALTECH Mobile ID
No in-app purchases









