Comparison

Clex Key vs 2N Installer App

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Unlock doors via Bluetooth
  • Receive mobile keys
  • Efficient communication with locking units
  • Improved user guidance
  • High security standards
  • Execute block requests
Features
Read full description

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

About

2N Installer App

This app provides professional installers with quick, on-site access to mobile-friendly installation guides, wiring diagrams, and product documentation. It features AI-powered support and smart search to help troubleshoot issues and work more efficiently.

Highlights
  • Mobile-friendly installation guides
  • Wiring diagrams
  • Product documentation access
  • 24/7 AI technical support
  • Smart search functionality
  • On-site troubleshooting assistance
Features
Read full description

Install 2N solutions faster and with confidence. The 2N Installer App is built for professional installers who need quick access to manuals —right on-site. Key features All manuals in your pocket Access mobile-friendly installation guides, wiring diagrams, and product documentation anytime. Faster installations Find the right information instantly and reduce time spent troubleshooting. 24/7 AI support Get immediate answers to technical questions with built-in AI assistance. Smart search Quickly locate the exact product, guide, or solution you need. Built for installers Clear, practical content designed for real on-site use. Use it to: Access 2N product manuals and installation guides Troubleshoot issues faster Search across all documentation Get instant technical answers Work more efficiently on-site

Screenshots

Clex Key4 screens
2N Installer App3 screens

Verdict

The call

The clearest difference is update cadence: 2N Installer App at fortnightly against Clex Key's every 2 months. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Clex Key ships an update every 2 months, 2N Installer App fortnightly. The most recent releases landed on October 8, 2026 and October 5, 2026 respectively.

Scorecard1 real difference · 9 level
Clex Key versus 2N Installer App: the parameters behind the verdict, then further details
ParameterClex Key2N Installer App
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews50.0% of reviews—
Number of ratings—1 — better
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS16.016.0
Further details — not scored
Size18 MB58 MB
Age rating4+4+
DeveloperUhlmann & Zacher GmbH2N TELEKOMUNIKACE a.s.

Customer experience

Clex Key

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

2N Installer App

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Clex Key

No in-app purchases

None

2N Installer App

No in-app purchases

Questions

Is Clex Key free?
Clex Key is free to download, with no in-app purchases.
Is 2N Installer App free?
2N Installer App is free to download, with no in-app purchases.
Do Clex Key or 2N Installer App have ads?
Neither Clex Key nor 2N Installer App shows ads.
Which is updated more often, Clex Key or 2N Installer App?
Clex Key ships an update every 2 months, and 2N Installer App fortnightly. Most recently, Clex Key was updated on October 8, 2026 and 2N Installer App on October 5, 2026.

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