wNOTIFY2 vs Clex Key
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
wNOTIFY2
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Kommunikationsanwendung zur Ergänzung der wEBV Web-Anwendung. Sämtliche Inhalte und Dienste innerhalb der App sind kostenlos. Die App kann nur von Kunden des wEBV-Services als ergänzende mobile Anwendung verwendet werden. Ein Account kann daher nur von einem Administrator in der wEBV-Web-Anwendung erstellt werden. Für die App fallen daher in keinem Fall kosten an.
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
Screenshots
Verdict
wNOTIFY2 and Clex Key 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.
wNOTIFY2 ships an update every 3 months, Clex Key every 2 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.
| Parameter | wNOTIFY2 | Clex Key |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| Update frequency | Every 3 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 16.0 |
| Further details — not scored | ||
| Size | 45 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | UBH Software & Engineering | Uhlmann & Zacher GmbH |
In-app purchases
wNOTIFY2
No in-app purchases
Clex Key
No in-app purchases
